Nuprl Lemma : scomb_wf

∀[A,B,C:Type].  (S ∈ (A ⟶ B ⟶ C) ⟶ (A ⟶ B) ⟶ A ⟶ C)


Proof




Definitions occuring in Statement :  scomb: S,  uall: ∀[x:A]. B[x],  member: t ∈ T,  function: x:A ⟶ B[x],  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  scomb: S
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  lambdaEquality,  applyEquality,  hypothesisEquality,  functionEquality,  sqequalHypSubstitution,  hypothesis,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  universeEquality,  isect_memberEquality,  isectElimination,  thin,  because_Cache

Latex:
\mforall{}[A,B,C:Type].    (S  \mmember{}  (A  {}\mrightarrow{}  B  {}\mrightarrow{}  C)  {}\mrightarrow{}  (A  {}\mrightarrow{}  B)  {}\mrightarrow{}  A  {}\mrightarrow{}  C)



Date html generated: 2016_05_13-PM-03_08_24
Last ObjectModification: 2016_01_06-PM-05_27_43

Theory : core_2


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