Nuprl Lemma : classical_wf

∀[P:ℙ]. ({P} ∈ ℙ)


Proof




Definitions occuring in Statement :  classical: {P},  uall: ∀[x:A]. B[x],  prop: ℙ,  member: t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  classical: {P},  so_lambda: λ2x.t[x],  prop: ℙ,  so_apply: x[s]
Lemmas referenced :  unit_wf,  set_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesis,  lambdaEquality,  hypothesisEquality,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  universeEquality

Latex:
\mforall{}[P:\mBbbP{}].  (\{P\}  \mmember{}  \mBbbP{})



Date html generated: 2016_05_13-PM-03_16_28
Last ObjectModification: 2016_01_06-PM-05_20_49

Theory : core_2


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