Nuprl Lemma : RankEx2_Union?_wf

[S,T:Type]. ∀[v:RankEx2(S;T)].  (RankEx2_Union?(v) ∈ 𝔹)


Proof




Definitions occuring in Statement :  RankEx2_Union?: RankEx2_Union?(v) RankEx2: RankEx2(S;T) bool: 𝔹 uall: [x:A]. B[x] member: t ∈ T universe: Type
Lemmas :  RankEx2-ext eq_atom_wf bool_wf eqtt_to_assert assert_of_eq_atom subtype_base_sq atom_subtype_base bfalse_wf eqff_to_assert equal_wf bool_cases_sqequal bool_subtype_base assert-bnot neg_assert_of_eq_atom btrue_wf RankEx2_wf
\mforall{}[S,T:Type].  \mforall{}[v:RankEx2(S;T)].    (RankEx2\_Union?(v)  \mmember{}  \mBbbB{})



Date html generated: 2015_07_17-AM-07_49_50
Last ObjectModification: 2015_01_27-AM-09_36_30

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