Nuprl Lemma : one_one_corr_wf
∀[A,B:Type].  (1-1-Corresp(A;B) ∈ ℙ)
Proof
Definitions occuring in Statement : 
one_one_corr: 1-1-Corresp(A;B)
, 
uall: ∀[x:A]. B[x]
, 
prop: ℙ
, 
member: t ∈ T
, 
universe: Type
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
one_one_corr: 1-1-Corresp(A;B)
, 
so_lambda: λ2x.t[x]
, 
so_apply: x[s]
Lemmas referenced : 
exists_wf, 
inv_funs_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
Error :isect_memberFormation_alt, 
introduction, 
cut, 
sqequalRule, 
extract_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
functionEquality, 
hypothesisEquality, 
lambdaEquality, 
hypothesis, 
axiomEquality, 
equalityTransitivity, 
equalitySymmetry, 
Error :inhabitedIsType, 
isect_memberEquality, 
universeEquality, 
Error :universeIsType
Latex:
\mforall{}[A,B:Type].    (1-1-Corresp(A;B)  \mmember{}  \mBbbP{})
Date html generated:
2019_06_20-PM-00_26_21
Last ObjectModification:
2018_09_26-PM-00_06_22
Theory : fun_1
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