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Layer 4 · the machine

Passport engine

The compatibility matrix for the Information-Scalar-Tensor Theory. 70 properties stamped from the master passport, 80 candidate physical frameworks, 26 inference rules. Every framework is re-evaluated against the passport in your browser, deterministically and instantly. Toggle a property in the panel; watch what flips.

Snapshot: derivation-passport@0.1.0 · synced 2026-04-25. The engine source is the same TypeScript code the lab uses internally — packaged from derivation-passport/dist/session.js, no server, no network.

ALLOWED

4

Δ 0 from baseline

WARNING

3

Δ 0 from baseline

CONDITIONAL

54

Δ 0 from baseline

DENIED

19

Δ 0 from baseline

Per-problem context

Hypothetical paths

Properties (70)

Theory class & DOF

  • theory_class
  • dof_count
  • kinetic_term
    false
  • constraint_class
  • scalar_propagates
    false
  • scalar_independent
    false
  • field_locality

Coupling (1+f)

  • wall_void_decomposition_exists
    true
  • f_primordial
  • f_primordial_ratcheted
    true
  • f_stellar_exists
    true
  • f_composition
  • matter_coupling_formula
  • g_time_varying
    true
  • matter_coupling_universal
    true
  • scalar_matter_coupling
    false
  • f_star_zero_universal
    false
  • f_s_elliptical

Cosmology

  • dark_matter_halo_ontology
    false
  • dark_matter_particles_exist
    false
  • cosmological_constant_exists
    false
  • dark_energy_exists
    false
  • effective_cosmological_constant_dominant
    false
  • homogeneous
    false
  • inhomogeneous
    true
  • flrw_background
    false
  • friedmann_equations_applicable
    false
  • buchert_averaging_valid
    true
  • inhomogeneity_scale_Mpc
  • void_volume_fraction
  • internal_region_geometry_approx_flrw
    true

Solar system / PPN

  • gamma_ppn
  • ppn_framework_applies
    true
  • weak_field
    true
  • slow_motion
    true
  • asymptotically_flat
    true

Gravitational waves

  • gw_breathing_mode_present
    false
  • gw_longitudinal_mode_present
    false
  • polarisation_mode_count
  • theory_modifies_gw_speed
    false
  • gw170817_consistent
    true

Photons & lensing

  • photon_conformal_coupling_standard
    true
  • lensing_potential_sources_match_gr
    false
  • photon_geodesic_null
    true
  • photon_geodesic_standard
    true
  • isst_lensing_modification

Stress-energy & DEC

  • stress_energy_conserved
    true

Other

  • lcdm_assumed_for_comparison
    false
  • yukawa_range
  • fifth_force_range
  • chameleon_available
    false
  • symmetron_available
    false
  • vainshtein_available
    false
  • standard_bbn
    true
  • four_spacetime_dimensions
    true
  • single_scalar_field
    true
  • second_order_equations_of_motion
    true
  • higher_derivative_scalar_interactions
    false
  • rotation_supported_disk
    true
  • pressure_support_negligible
    true
  • einstein_frame_action
    false
  • scalar_asymptotically_constant
    false
  • no_scalar_hair
    true
  • potential_exists
    false
  • globally_hyperbolic_spacetime
    true
  • foliation_by_cauchy_surfaces
    true
  • foliation_exists
    true
  • matter_type
  • gaussian_initial_conditions
    true
  • isst_rotation_enhancement

Compatibility matrix (80 frameworks)

  • Cassini bound on γ_PPN

    WARNING

    post_newtonian

    1 conflict
    • warning · static_source expected true, got (MISSING)
  • Nordtvedt SEP-violation parameter η

    DENIED

    post_newtonian

    2 conflicts
    • critical · scalar_propagates expected true, got false (CONTRADICTION)
    • critical · matter_coupling_universal expected false, got true (CONTRADICTION)
  • LLR bound on Nordtvedt η

    CONDITIONAL

    post_newtonian

    2 conflicts
    • warning · earth_moon_system expected true, got (MISSING)
    • critical · eta_nordtvedt_formula expected available, got (MISSING)
  • LLR bound on Ġ/G

    WARNING

    post_newtonian

    1 conflict
    • warning · earth_moon_system expected true, got (MISSING)
  • Shapiro gravitational time delay

    CONDITIONAL

    post_newtonian

    1 conflict
    • critical · static_geometry expected true, got (MISSING)
  • Mercury perihelion advance

    CONDITIONAL

    post_newtonian

    2 conflicts
    • critical · central_mass_dominant expected true, got (MISSING)
    • critical · matter_sector_vacuum_exterior expected true, got (MISSING)
  • Binary pulsar periastron advance + orbital decay

    CONDITIONAL

    post_newtonian

    3 conflicts
    • critical · compact_binary expected true, got (MISSING)
    • critical · orbital_motion_weak_enough_for_post_keplerian expected true, got (MISSING)
    • warning · quadrupole_radiation_formula_applies expected true, got (MISSING)
  • Full PPN parameter set (Will)

    CONDITIONAL

    post_newtonian

    1 conflict
    • critical · matter_stress_energy_perfect_fluid_ok expected true, got (MISSING)
  • Birkhoff theorem (GR)

    DENIED

    post_newtonian

    3 conflicts
    • critical · spherical_symmetry expected true, got (MISSING)
    • critical · vacuum_exterior expected true, got (MISSING)
    • critical · theory_class expected gr, got scalar_tensor (CONTRADICTION)
  • Generalised Birkhoff (scalar-tensor)

    DENIED

    post_newtonian

    3 conflicts
    • critical · spherical_symmetry expected true, got (MISSING)
    • critical · vacuum_exterior expected true, got (MISSING)
    • critical · scalar_asymptotically_constant expected true, got false (CONTRADICTION)
  • Jebsen-Birkhoff in f(R) metric

    DENIED

    post_newtonian

    2 conflicts
    • critical · spherical_symmetry expected true, got (MISSING)
    • critical · theory_class expected f_R_metric, got scalar_tensor (CONTRADICTION)
  • Vainshtein screening

    DENIED

    fifth_force

    3 conflicts
    • critical · higher_derivative_scalar_interactions expected true, got false (CONTRADICTION)
    • critical · scalar_propagates expected true, got false (CONTRADICTION)
    • critical · kinetic_term expected true, got false (CONTRADICTION)
  • Raychaudhuri equation

    CONDITIONAL

    cosmology

    2 conflicts
    • critical · timelike_or_null_geodesic_congruence expected true, got (MISSING)
    • warning · spacetime_dimension expected 4, got (MISSING)
  • Stress-energy continuity equation

    ALLOWED

    cosmology

  • Modified continuity in Einstein frame

    DENIED

    cosmology

    2 conflicts
    • critical · einstein_frame_action expected true, got false (CONTRADICTION)
    • critical · scalar_matter_coupling expected true, got false (CONTRADICTION)
  • Wiltshire timescape two-domain model

    ALLOWED

    cosmology

  • de Sitter expansion

    DENIED

    cosmology

    2 conflicts
    • critical · effective_cosmological_constant_dominant expected true, got false (CONTRADICTION)
    • critical · isotropic expected true, got (MISSING)
  • Quasi-de Sitter (slow-roll)

    CONDITIONAL

    cosmology

    2 conflicts
    • critical · scalar_potential_dominant expected true, got (MISSING)
    • critical · slow_roll_parameter_small expected true, got (MISSING)
  • Milne empty-universe model

    CONDITIONAL

    cosmology

    2 conflicts
    • critical · zero_energy_density expected true, got (MISSING)
    • critical · spatial_curvature expected open, got (MISSING)
  • FLRW linear scalar perturbations (SVT)

    DENIED

    cosmology

    3 conflicts
    • critical · flrw_background expected true, got false (CONTRADICTION)
    • critical · linear_perturbations expected true, got (MISSING)
    • warning · gauge_fixed expected true, got (MISSING)
  • FLRW tensor perturbations (GW on FRW)

    DENIED

    cosmology

    2 conflicts
    • critical · flrw_background expected true, got false (CONTRADICTION)
    • critical · linear_perturbations expected true, got (MISSING)
  • Boltzmann hierarchy for CMB anisotropy

    DENIED

    cmb

    3 conflicts
    • critical · flrw_background expected true, got false (CONTRADICTION)
    • critical · photon_baryon_coupling_thomson expected true, got (MISSING)
    • critical · linear_perturbations expected true, got (MISSING)
  • Sachs-Wolfe effect (SW + ISW)

    DENIED

    cmb

    3 conflicts
    • critical · flrw_background expected true, got false (CONTRADICTION)
    • critical · linear_perturbations expected true, got (MISSING)
    • critical · photons_free_stream_after_lss expected true, got (MISSING)
  • BBN constraint on G variation

    CONDITIONAL

    nucleosynthesis

    1 conflict
    • critical · g_variation_during_bbn expected true, got (MISSING)
  • Y_p sensitivity to physics variations

    CONDITIONAL

    nucleosynthesis

    1 conflict
    • critical · neutron_proton_freezeout_known expected true, got (MISSING)
  • Deuterium abundance D/H

    CONDITIONAL

    nucleosynthesis

    2 conflicts
    • critical · baryon_to_photon_ratio_fixed expected true, got (MISSING)
    • critical · nuclear_reaction_rates_measured expected true, got (MISSING)
  • n/p freeze-out

    CONDITIONAL

    nucleosynthesis

    2 conflicts
    • critical · weak_rates_at_mev_scale expected true, got (MISSING)
    • critical · hubble_rate_at_mev_known expected true, got (MISSING)
  • Adiabatic entropy conservation (radiation era)

    CONDITIONAL

    nucleosynthesis

    2 conflicts
    • critical · no_entropy_production_source expected true, got (MISSING)
    • critical · radiation_dominated_or_near expected true, got (MISSING)
  • Linear growth factor D(a)

    DENIED

    structure_formation

    4 conflicts
    • critical · flrw_background expected true, got false (CONTRADICTION)
    • critical · linear_perturbations expected true, got (MISSING)
    • critical · effective_newton_g_standard expected true, got (MISSING)
    • warning · no_anisotropic_stress expected true, got (MISSING)
  • Growth factor in modified gravity (µ(a,k))

    DENIED

    structure_formation

    3 conflicts
    • critical · flrw_background expected true, got false (CONTRADICTION)
    • critical · linear_perturbations expected true, got (MISSING)
    • critical · effective_newton_function_known expected true, got (MISSING)
  • σ_8 normalisation

    CONDITIONAL

    structure_formation

    2 conflicts
    • critical · linear_matter_power_spectrum_available expected true, got (MISSING)
    • warning · top_hat_window_8_mpc_h expected true, got (MISSING)
  • fσ_8 redshift-space distortion observable

    CONDITIONAL

    structure_formation

    3 conflicts
    • critical · linear_growth_available expected true, got (MISSING)
    • critical · redshift_survey_with_pairwise_velocities expected true, got (MISSING)
    • warning · kaiser_formula_regime expected true, got (MISSING)
  • Press-Schechter mass function

    CONDITIONAL

    structure_formation

    2 conflicts
    • critical · spherical_collapse_threshold_known expected true, got (MISSING)
    • warning · matter_dominated_or_near expected true, got (MISSING)
  • Sheth-Tormen mass function

    CONDITIONAL

    structure_formation

    1 conflict
    • critical · ellipsoidal_collapse_parameters_calibrated expected true, got (MISSING)
  • Spherical collapse δ_c = 1.686

    CONDITIONAL

    structure_formation

    2 conflicts
    • critical · spherically_symmetric_overdensity expected true, got (MISSING)
    • critical · einstein_de_sitter_background expected true, got (MISSING)
  • Ellipsoidal collapse

    CONDITIONAL

    structure_formation

    1 conflict
    • critical · triaxial_initial_overdensity expected true, got (MISSING)
  • Halo model of LSS

    DENIED

    structure_formation

    4 conflicts
    • critical · dark_matter_halo_ontology expected true, got false (CONTRADICTION)
    • critical · mass_function_known expected true, got (MISSING)
    • critical · halo_profile_parametrisation_known expected true, got false (CONTRADICTION)
    • warning · halo_bias_known expected true, got (MISSING)
  • Virial theorem (GR)

    CONDITIONAL

    structure_formation

    3 conflicts
    • critical · bound_system expected true, got (MISSING)
    • critical · stationary_state expected true, got (MISSING)
    • warning · no_significant_external_pressure expected true, got (MISSING)
  • Virial theorem in scalar-tensor

    CONDITIONAL

    structure_formation

    3 conflicts
    • critical · scalar_coupling_to_matter expected true, got (MISSING)
    • critical · bound_system expected true, got (MISSING)
    • critical · stationary_state expected true, got (MISSING)
  • Jeans instability

    CONDITIONAL

    structure_formation

    2 conflicts
    • critical · pressure_supported_fluid expected true, got (MISSING)
    • critical · self_gravitating expected true, got (MISSING)
  • Modified Jeans in MG

    CONDITIONAL

    structure_formation

    2 conflicts
    • critical · self_gravitating expected true, got (MISSING)
    • critical · effective_newton_g_scale_dependent expected true, got (MISSING)
  • Angular diameter distance D_A(z)

    CONDITIONAL

    cmb

    1 conflict
    • critical · background_expansion_history_available expected true, got (MISSING)
  • Sound horizon at recombination r_s(z_*)

    CONDITIONAL

    cmb

    2 conflicts
    • critical · photon_baryon_fluid_pre_recombination expected true, got (MISSING)
    • critical · recombination_redshift_known expected true, got (MISSING)
  • Silk damping scale

    CONDITIONAL

    cmb

    2 conflicts
    • critical · photon_baryon_fluid_pre_recombination expected true, got (MISSING)
    • critical · tight_coupling_breakdown_regime expected true, got (MISSING)
  • Acoustic angular scale θ_*

    CONDITIONAL

    cmb

    2 conflicts
    • critical · sound_horizon_known expected true, got (MISSING)
    • critical · angular_diameter_distance_to_recombination_known expected true, got (MISSING)
  • CMB lensing potential

    CONDITIONAL

    cmb

    2 conflicts
    • critical · flrw_perturbations expected true, got (MISSING)
    • critical · integrated_matter_distribution_known expected true, got (MISSING)
  • Planck ΛCDM baseline (comparison framework)

    DENIED

    cmb

    4 conflicts
    • critical · lcdm_assumed_for_comparison expected true, got false (CONTRADICTION)
    • critical · likelihood_function_shared expected true, got (MISSING)
    • critical · prior_compatible expected true, got (MISSING)
    • critical · theory_reduces_to_lcdm_in_limit_or_flagged_model_dependent expected true, got (MISSING)
  • Thin-lens approximation

    CONDITIONAL

    lensing

    2 conflicts
    • critical · deflector_thickness_much_less_than_distances expected true, got (MISSING)
    • critical · weak_field_deflector expected true, got (MISSING)
  • Convergence from Poisson (standard)

    DENIED

    lensing

    2 conflicts
    • critical · thin_lens_approximation_valid expected true, got (MISSING)
    • critical · lensing_potential_sources_match_gr expected true, got false (CONTRADICTION)
  • Modified lensing in scalar-tensor (Σ slip)

    CONDITIONAL

    lensing

    2 conflicts
    • critical · weak_lensing expected true, got (MISSING)
    • critical · effective_sigma_slip_function_known expected true, got (MISSING)
  • Lensing vs dynamical mass comparison

    CONDITIONAL

    lensing

    1 conflict
    • critical · both_mass_probes_available_same_system expected true, got (MISSING)
  • Strong-lensing time-delay H_0

    CONDITIONAL

    lensing

    3 conflicts
    • critical · strong_lens_system_with_time_delays expected true, got (MISSING)
    • critical · lens_model_resolved expected true, got (MISSING)
    • critical · source_variability_monitored expected true, got (MISSING)
  • Weak-lensing shear-mass reconstruction

    CONDITIONAL

    lensing

    2 conflicts
    • critical · background_galaxy_sample expected true, got (MISSING)
    • critical · shear_measurement_available expected true, got (MISSING)
  • f(R) metric ↔ scalar-tensor equivalence

    DENIED

    scalar_tensor

    2 conflicts
    • critical · theory_class expected f_R_metric, got scalar_tensor (CONTRADICTION)
    • critical · f_RR_nonzero expected true, got (MISSING)
  • f(R) Palatini ↔ scalar-tensor equivalence

    DENIED

    scalar_tensor

    1 conflict
    • critical · theory_class expected f_R_palatini, got scalar_tensor (CONTRADICTION)
  • Conformal transformation Jordan ↔ Einstein

    CONDITIONAL

    scalar_tensor

    2 conflicts
    • critical · scalar_tensor_theory expected true, got (MISSING)
    • critical · conformal_factor_nonvanishing expected true, got (MISSING)
  • Horndeski (most-general 2nd-order ST)

    ALLOWED

    scalar_tensor

  • DHOST (degenerate higher-order scalar-tensor)

    CONDITIONAL

    scalar_tensor

    3 conflicts
    • critical · higher_derivative_scalar_terms expected true, got (MISSING)
    • critical · degeneracy_conditions_satisfied expected true, got (MISSING)
    • critical · cgw_equals_c expected true, got (MISSING)
  • Scalar no-hair theorem

    CONDITIONAL

    scalar_tensor

    2 conflicts
    • critical · stationary_black_hole expected true, got (MISSING)
    • critical · minimal_scalar_coupling expected true, got (MISSING)
  • Spontaneous scalarisation (DEF)

    CONDITIONAL

    scalar_tensor

    4 conflicts
    • critical · scalar_tensor_theory expected true, got (MISSING)
    • critical · scalar_matter_coupling_function_F_phi expected true, got (MISSING)
    • critical · d2_ln_A_d_phi2_negative_enough expected true, got (MISSING)
    • critical · strong_gravity_regime expected true, got (MISSING)
  • Scalar-field energy conditions (WEC/SEC/NEC)

    CONDITIONAL

    scalar_tensor

    1 conflict
    • critical · scalar_stress_energy_tensor_derivable expected true, got (MISSING)
  • ADM 3+1 decomposition

    ALLOWED

    scalar_tensor

  • DOF counting via constraint analysis

    CONDITIONAL

    scalar_tensor

    2 conflicts
    • critical · action_canonical_form_available expected true, got (MISSING)
    • critical · primary_secondary_constraints_identified expected true, got (MISSING)
  • GW polarisation modes (Eardley et al.)

    CONDITIONAL

    gravitational_waves

    2 conflicts
    • critical · linearised_gravity expected true, got (MISSING)
    • critical · plane_wave_far_zone expected true, got (MISSING)
  • c_GW = c constraint (GW170817)

    WARNING

    gravitational_waves

    1 conflict
    • warning · binary_neutron_star_merger_with_em_counterpart expected true, got (MISSING)
  • GW170817 filter on modified-gravity theories

    CONDITIONAL

    gravitational_waves

    1 conflict
    • critical · theory_predicts_gw_speed expected true, got (MISSING)
  • Quadrupole formula orbital decay

    CONDITIONAL

    gravitational_waves

    2 conflicts
    • critical · compact_binary expected true, got (MISSING)
    • critical · far_zone_quadrupole_valid expected true, got (MISSING)
  • Scalar dipole radiation in binary

    DENIED

    gravitational_waves

    3 conflicts
    • critical · scalar_propagates expected true, got false (CONTRADICTION)
    • critical · scalar_charges_asymmetric_between_companions expected true, got (MISSING)
    • critical · compact_binary expected true, got (MISSING)
  • SPARC rotation-curve decomposition

    CONDITIONAL

    observations

    2 conflicts
    • critical · inclination_known expected true, got (MISSING)
    • critical · baryonic_components_resolved expected true, got (MISSING)
  • Bullet Cluster lensing-gas offset

    CONDITIONAL

    observations

    3 conflicts
    • critical · post_collision_cluster_pair expected true, got (MISSING)
    • critical · weak_lensing_kappa_map expected true, got (MISSING)
    • critical · xray_gas_map expected true, got (MISSING)
  • Galaxy cluster three-probe mass estimate

    CONDITIONAL

    observations

    4 conflicts
    • warning · xray_observations_available expected true, got (MISSING)
    • warning · lensing_observations_available expected true, got (MISSING)
    • warning · dynamical_observations_available expected true, got (MISSING)
    • critical · lensing_mass_formula_gr_standard expected true, got (MISSING)
  • Baryonic Tully-Fisher relation (BTFR)

    CONDITIONAL

    observations

    3 conflicts
    • critical · rotation_supported_disk_sample expected true, got (MISSING)
    • critical · baryonic_mass_measured expected true, got (MISSING)
    • critical · flat_rotation_velocity_resolved expected true, got (MISSING)
  • Radial Acceleration Relation (RAR)

    CONDITIONAL

    observations

    2 conflicts
    • critical · rotation_curve_sample expected true, got (MISSING)
    • critical · baryonic_component_mapping expected true, got (MISSING)
  • Equivalence principle tests (WEP/EEP)

    CONDITIONAL

    observations

    1 conflict
    • critical · fifth_force_couples_differently_to_different_composition expected true, got (MISSING)
  • Bekenstein entropy bound

    CONDITIONAL

    thermodynamics

    2 conflicts
    • critical · finite_energy_E_in_region expected true, got (MISSING)
    • critical · finite_radius_R expected true, got (MISSING)
  • Holographic entropy bound

    CONDITIONAL

    thermodynamics

    2 conflicts
    • critical · finite_region expected true, got (MISSING)
    • critical · horizon_or_light_sheet_area_defined expected true, got (MISSING)
  • Landauer principle

    CONDITIONAL

    thermodynamics

    2 conflicts
    • critical · irreversible_bit_erasure expected true, got (MISSING)
    • critical · thermal_environment_at_temperature_T expected true, got (MISSING)
  • Boltzmann vs Gibbs entropy distinction

    CONDITIONAL

    thermodynamics

    1 conflict
    • critical · distribution_function_on_phase_space expected true, got (MISSING)
  • Thermalisation / collisional relaxation time

    CONDITIONAL

    thermodynamics

    2 conflicts
    • critical · collision_rate_known expected true, got (MISSING)
    • critical · phase_space_accessible expected true, got (MISSING)
  • Two-body relaxation time (self-gravitating)

    CONDITIONAL

    thermodynamics

    2 conflicts
    • critical · self_gravitating_n_body_system expected true, got (MISSING)
    • critical · particle_count_N_known expected true, got (MISSING)

Frameworks that flipped vs baseline (0)

No flips. Toggle a property in the panel to make the matrix recompute.

Implication rules that fired (0)

Forward-propagation rules fire when a stamped property triggers a cascade.

Inference rules (26) — the closed-world graph

Each rule fires deterministically when its if condition holds. The session re-checks every framework after every stamp.

  • gw_speed_c_eliminates_cgw_modifiers

    if theory_modifies_gw_speed=true then gw170817_consistent=false, theory_observationally_viable_post_2017=false

  • two_dof_no_extra_gw_polarisations

    if dof_count=2 then gw_breathing_mode_present=false, gw_longitudinal_mode_present=false, polarisation_mode_count=2

  • palatini_kills_density_dep_screening

    if constraint_class=palatini then chameleon_available=false, symmetron_available=false, vainshtein_available=false

  • f_R_metric_implies_three_dof

    if theory_class=f_R_metric, f_RR_nonzero=true then dof_count=3, scalar_propagates=true, kinetic_term=true, equivalent_to_BD_omega_zero=true

  • f_R_palatini_implies_no_propagation

    if theory_class=f_R_palatini then dof_count=2, scalar_propagates=false, kinetic_term=false, constraint_class=palatini

  • spherical_static_vacuum_gr_birkhoff

    if spherical_symmetry=true, vacuum_exterior=true, theory_class=gr then exterior_solution=schwarzschild, exterior_static=true

  • rotation_supported_enables_sparc

    if kinematic_support=rotation_dominated then sparc_methodology_applicable=true, pressure_support_negligible=true

  • pressure_supported_disables_sparc

    if kinematic_support=dispersion_dominated then sparc_methodology_applicable=false, rotation_supported_disk=false, pressure_support_negligible=false

  • weak_field_slow_motion_enables_ppn

    if weak_field=true, slow_motion=true, asymptotically_flat=true then ppn_framework_applies=true

  • strong_field_disables_ppn

    if strong_field=true then ppn_framework_applies=false

  • homog_isotropic_enables_flrw

    if homogeneous=true, isotropic=true then flrw_background=true, friedmann_equations_applicable=true

  • inhomogeneous_disables_flrw

    if homogeneous=false then flrw_background=false, friedmann_equations_applicable=false, requires_averaging_or_exact_inhomogeneous_solution=true

  • radiation_dominated_traceless_stress

    if matter_type=radiation then trace_stress_energy=0, equation_of_state_w=0.3333333

  • matter_dominated_growth_eds

    if matter_dominated=true, flrw_background=true, linear_perturbations=true then growth_factor_form=D(a) proportional to a (EdS limit)

  • virial_equilibrium_implies_bound_stationary

    if virial_equilibrium=true then bound_system=true, stationary_state=true

  • merging_system_disables_virial

    if dynamical_state=merging then stationary_state=false, virial_theorem_applies=false

  • gaussian_ic_enables_press_schechter

    if gaussian_initial_conditions=true then press_schechter_applicable=true

  • thin_lens_weak_field_enables_convergence

    if thin_lens_approximation_valid=true, weak_field=true then convergence_poisson_applicable_gr=true

  • einstein_frame_nonradiation_source_term

    if einstein_frame_action=true, scalar_matter_coupling=true, matter_type=radiation then matter_scalar_energy_exchange_nonzero=true

  • conformal_photon_coupling_implies_unaffected_optics

    if photon_conformal_coupling_standard=true then photon_geodesic_standard=true

  • fluid_L_m_not_valid_when_structure_matters

    if structure_formation_regime=true then fluid_lagrangian_for_matter_valid=false

  • collisionless_long_relaxation_disables_two_body

    if relaxation_time_greater_than_age=true then two_body_relaxed=false, vlasov_equation_applicable=true

  • potential_depth_weak_field

    if gravitational_potential_depth=0.001 then weak_field=true, ppn_applicable_by_potential=ALLOWED

  • potential_depth_intermediate_field

    if gravitational_potential_depth=0.001, gravitational_potential_depth=0.1 then ppn_applicable_by_potential=WARNING

  • potential_depth_strong_field

    if gravitational_potential_depth=0.1 then strong_field=true, weak_field=false

  • no_dm_ontology_blocks_halo_model

    if dark_matter_halo_ontology=false then halo_profile_parametrisation_known=false, nfw_profile_applicable=false