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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