Nuprl Lemma : pisend-var_wf
∀[v:pi_prefix()]. pisend-var(v) ∈ Name supposing ↑pisend?(v)
Proof
Definitions occuring in Statement : 
pisend-var: pisend-var(v)
, 
pisend?: pisend?(v)
, 
pi_prefix: pi_prefix()
, 
name: Name
, 
assert: ↑b
, 
uimplies: b supposing a
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
Lemmas : 
pi_prefix-ext, 
eq_atom_wf, 
bool_wf, 
eqtt_to_assert, 
assert_of_eq_atom, 
subtype_base_sq, 
atom_subtype_base, 
eqff_to_assert, 
equal_wf, 
bool_cases_sqequal, 
bool_subtype_base, 
assert-bnot, 
neg_assert_of_eq_atom, 
assert_wf, 
pisend?_wf, 
pi_prefix_wf
Latex:
\mforall{}[v:pi\_prefix()].  pisend-var(v)  \mmember{}  Name  supposing  \muparrow{}pisend?(v)
Date html generated:
2015_07_23-AM-11_31_26
Last ObjectModification:
2015_01_29-AM-00_53_02
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