Nuprl Lemma : fpf_dom_compose_lemma

f,g,x,eq:Top.  (x ∈ dom(g f) x ∈ dom(f))


Proof




Definitions occuring in Statement :  fpf-compose: f fpf-dom: x ∈ dom(f) top: Top all: x:A. B[x] sqequal: t
Definitions unfolded in proof :  all: x:A. B[x] member: t ∈ T fpf-compose: f fpf-dom: x ∈ dom(f) pi1: fst(t)

Latex:
\mforall{}f,g,x,eq:Top.    (x  \mmember{}  dom(g  o  f)  \msim{}  x  \mmember{}  dom(f))



Date html generated: 2016_05_16-AM-11_26_58
Last ObjectModification: 2015_12_29-AM-09_23_27

Theory : event-ordering


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