Nuprl Lemma : member_wf

[A:Type]. ∀[a:A].  (a ∈ A ∈ Type)


Proof




Definitions occuring in Statement :  uall: [x:A]. B[x] member: t ∈ T universe: Type
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T prop:
Lemmas referenced :  equal_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity Error :isect_memberFormation_alt,  introduction cut sqequalRule extract_by_obid sqequalHypSubstitution isectElimination thin hypothesisEquality hypothesis axiomEquality Error :universeIsType,  isect_memberEquality universeEquality

Latex:
\mforall{}[A:Type].  \mforall{}[a:A].    (a  \mmember{}  A  \mmember{}  Type)



Date html generated: 2019_06_20-AM-11_14_36
Last ObjectModification: 2018_09_26-AM-10_42_00

Theory : core_2


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