Nuprl Lemma : truth_wf

Truth ∈ 𝕌'


Proof




Definitions occuring in Statement :  truth: Truth,  member: t ∈ T,  universe: Type
Definitions unfolded in proof :  truth: Truth,  member: t ∈ T,  uall: ∀[x:A]. B[x],  prop: ℙ,  so_lambda: λ2x y.t[x; y],  subtype_rel: A ⊆r B,  so_apply: x[s1;s2],  uimplies: b supposing a
Lemmas referenced :  equiv_rel_iff,  iff_wf,  quotient_wf
Rules used in proof :  sqequalSubstitution,  sqequalRule,  sqequalReflexivity,  sqequalTransitivity,  computationStep,  cut,  instantiate,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  universeEquality,  lambdaEquality,  hypothesisEquality,  hypothesis,  applyEquality,  cumulativity,  because_Cache,  independent_isectElimination

Latex:
Truth  \mmember{}  \mBbbU{}'



Date html generated: 2016_05_14-PM-09_42_22
Last ObjectModification: 2016_01_11-PM-03_45_41

Theory : continuity


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