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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