Nuprl Lemma : church-succ_wf2
cS ∈ INat ⟶ INat
Proof
Definitions occuring in Statement :
indNat: INat,
church-succ: cS,
member: t ∈ T,
function: x:A ⟶ B[x]
Definitions unfolded in proof :
member: t ∈ T,
indNat: INat,
uall: ∀[x:A]. B[x]
Lemmas referenced :
indNat_wf,
church-succ_wf,
church-iS
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
functionExtensionality,
sqequalHypSubstitution,
dependentIntersectionElimination,
cut,
introduction,
extract_by_obid,
hypothesis,
dependentIntersection_memberEquality,
applyEquality,
isectElimination,
thin,
equalityTransitivity,
equalitySymmetry
Latex:
cS \mmember{} INat {}\mrightarrow{} INat
Date html generated:
2020_05_20-AM-08_05_55
Last ObjectModification:
2019_11_15-PM-10_51_53
Theory : general
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