Nuprl Lemma : equiv_int_terms_wf

∀[t1,t2:int_term()].  (t1 ≡ t2 ∈ ℙ)


Proof




Definitions occuring in Statement :  equiv_int_terms: t1 ≡ t2,  int_term: int_term(),  uall: ∀[x:A]. B[x],  prop: ℙ,  member: t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  equiv_int_terms: t1 ≡ t2,  so_lambda: λ2x.t[x],  so_apply: x[s]
Lemmas referenced :  all_wf,  equal_wf,  int_term_value_wf,  int_term_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  functionEquality,  intEquality,  lambdaEquality,  hypothesisEquality,  hypothesis,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  isect_memberEquality,  because_Cache

Latex:
\mforall{}[t1,t2:int\_term()].    (t1  \mequiv{}  t2  \mmember{}  \mBbbP{})



Date html generated: 2016_05_14-AM-06_59_44
Last ObjectModification: 2015_12_26-PM-01_12_45

Theory : omega


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