Nuprl Lemma : mk_fpf_dom_lemma
∀f,L:Top. (fpf-domain(mk_fpf(L;f)) ~ L)
Proof
Definitions occuring in Statement :
mk_fpf: mk_fpf(L;f),
fpf-domain: fpf-domain(f),
top: Top,
all: ∀x:A. B[x],
sqequal: s ~ t
Definitions unfolded in proof :
all: ∀x:A. B[x],
member: t ∈ T,
mk_fpf: mk_fpf(L;f),
fpf-domain: fpf-domain(f),
pi1: fst(t)
Lemmas referenced :
top_wf
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
lambdaFormation,
cut,
hypothesis,
lemma_by_obid,
sqequalRule
Latex:
\mforall{}f,L:Top. (fpf-domain(mk\_fpf(L;f)) \msim{} L)
Date html generated:
2018_05_21-PM-09_24_38
Last ObjectModification:
2018_02_09-AM-10_20_33
Theory : finite!partial!functions
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