Nuprl Lemma : Russell-theorem-ext
¬(Type ∈ Type)
Proof
Definitions occuring in Statement :
not: ¬A,
member: t ∈ T,
universe: Type
Definitions unfolded in proof :
member: t ∈ T,
Russell-theorem,
any: any x
Lemmas referenced :
Russell-theorem
Rules used in proof :
introduction,
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
cut,
instantiate,
extract_by_obid,
hypothesis,
sqequalRule,
thin,
sqequalHypSubstitution,
equalityTransitivity,
equalitySymmetry
Latex:
\mneg{}(Type \mmember{} Type)
Date html generated:
2018_05_21-PM-06_18_31
Last ObjectModification:
2018_05_19-PM-05_37_30
Theory : basic
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