Nuprl Lemma : es-interface-or-left_wf
∀[Info,A,B:Type]. ∀[X:EClass(one_or_both(A;B))]. (es-interface-or-left(X) ∈ EClass(A))
Proof
Definitions occuring in Statement :
es-interface-or-left: es-interface-or-left(X),
eclass: EClass(A[eo; e]),
uall: ∀[x:A]. B[x],
member: t ∈ T,
universe: Type,
one_or_both: one_or_both(A;B)
Lemmas :
es-filter-image_wf,
one_or_both_wf,
oob-getleft?_wf,
eclass_wf,
es-E_wf,
event-ordering+_subtype,
event-ordering+_wf
Latex:
\mforall{}[Info,A,B:Type]. \mforall{}[X:EClass(one\_or\_both(A;B))]. (es-interface-or-left(X) \mmember{} EClass(A))
Date html generated:
2015_07_20-PM-03_24_40
Last ObjectModification:
2015_01_27-PM-10_20_12
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