Nuprl Lemma : es-pred_wf
∀[the_es:EO]. ∀[e:E].  pred(e) ∈ E supposing ¬↑first(e)
Proof
Definitions occuring in Statement : 
es-first: first(e)
, 
es-pred: pred(e)
, 
es-E: E
, 
event_ordering: EO
, 
assert: ↑b
, 
uimplies: b supposing a
, 
uall: ∀[x:A]. B[x]
, 
not: ¬A
, 
member: t ∈ T
Lemmas : 
es-pred-wf-base, 
assert_wf, 
es-dom_wf, 
not_wf, 
es-first_wf, 
es-E_wf, 
event_ordering_wf, 
decidable__assert, 
es-eq-E-wf-base, 
bor_wf, 
bnot_wf, 
or_wf, 
iff_transitivity, 
iff_weakening_uiff, 
assert_of_bor, 
assert_of_bnot
\mforall{}[the$_{es}$:EO].  \mforall{}[e:E].    pred(e)  \mmember{}  E  supposing  \mneg{}\muparrow{}first(e)
Date html generated:
2015_07_17-AM-08_35_05
Last ObjectModification:
2015_01_27-PM-02_58_49
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