Nuprl Lemma : nat_plus_wf
ℕ+ ∈ Type
Proof
Definitions occuring in Statement :
nat_plus: ℕ+,
member: t ∈ T,
universe: Type
Definitions unfolded in proof :
nat_plus: ℕ+,
member: t ∈ T,
uall: ∀[x:A]. B[x],
prop: ℙ
Lemmas referenced :
less_than_wf
Rules used in proof :
sqequalSubstitution,
sqequalRule,
sqequalReflexivity,
sqequalTransitivity,
computationStep,
setEquality,
intEquality,
cut,
introduction,
extract_by_obid,
sqequalHypSubstitution,
isectElimination,
thin,
natural_numberEquality,
hypothesisEquality,
hypothesis
Latex:
\mBbbN{}\msupplus{} \mmember{} Type
Date html generated:
2019_06_20-AM-11_23_11
Last ObjectModification:
2018_09_28-PM-11_34_48
Theory : arithmetic
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