Nuprl Lemma : null-class-is-empty
∀[es,e:Top]. (Null es e ~ {})
Proof
Definitions occuring in Statement :
null-class: Null,
uall: ∀[x:A]. B[x],
top: Top,
apply: f a,
sqequal: s ~ t,
empty-bag: {}
Definitions unfolded in proof :
uall: ∀[x:A]. B[x],
member: t ∈ T,
null-class: Null
Latex:
\mforall{}[es,e:Top]. (Null es e \msim{} \{\})
Date html generated:
2016_05_17-AM-00_23_47
Last ObjectModification:
2015_12_29-AM-00_44_42
Theory : event-ordering
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