Nuprl Lemma : fpf_dom_compose_lemma
∀f,g,x,eq:Top. (x ∈ dom(g o f) ~ x ∈ dom(f))
Proof
Definitions occuring in Statement :
fpf-compose: g o f,
fpf-dom: x ∈ dom(f),
top: Top,
all: ∀x:A. B[x],
sqequal: s ~ t
Lemmas :
top_wf
\mforall{}f,g,x,eq:Top. (x \mmember{} dom(g o f) \msim{} x \mmember{} dom(f))
Date html generated:
2015_07_17-AM-11_11_27
Last ObjectModification:
2015_01_28-AM-07_43_04
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