Nuprl Lemma : church-true_wf

∀[T:Type]. (church-true() ∈ T ⟶ Top ⟶ T)


Proof




Definitions occuring in Statement :  church-true: church-true(),  uall: ∀[x:A]. B[x],  top: Top,  member: t ∈ T,  function: x:A ⟶ B[x],  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  church-true: church-true()
Lemmas referenced :  top_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  lambdaEquality,  hypothesisEquality,  lemma_by_obid,  hypothesis,  sqequalHypSubstitution,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  universeEquality

Latex:
\mforall{}[T:Type].  (church-true()  \mmember{}  T  {}\mrightarrow{}  Top  {}\mrightarrow{}  T)



Date html generated: 2016_05_15-PM-03_22_03
Last ObjectModification: 2015_12_27-PM-01_04_40

Theory : general


Home Index