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
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x], 
member: t ∈ T, 
uimplies: b supposing a, 
es-E: E, 
es-dom: es-dom(es), 
es-base-E: es-base-E(es), 
prop: ℙ, 
all: ∀x:A. B[x], 
decidable: Dec(P), 
or: P ∨ Q, 
not: ¬A, 
implies: P ⇒ Q, 
false: False, 
es-first: first(e), 
guard: {T}, 
iff: P ⇐⇒ Q, 
and: P ∧ Q, 
uiff: uiff(P;Q), 
rev_implies: P ⇐ Q
Latex:
\mforall{}[the$_{es}$:EO].  \mforall{}[e:E].    pred(e)  \mmember{}  E  supposing  \mneg{}\muparrow{}first(e)
Date html generated:
2016_05_16-AM-09_16_10
Last ObjectModification:
2015_12_28-PM-09_56_58
Theory : new!event-ordering
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