Nuprl Lemma : nim_sum0_lemma

∀y:Top. (nim-sum(0;y) ~ y)


Proof




Definitions occuring in Statement :  nim-sum: nim-sum(x;y),  top: Top,  all: ∀x:A. B[x],  natural_number: $n,  sqequal: s ~ t
Definitions unfolded in proof :  all: ∀x:A. B[x],  member: t ∈ T,  nim-sum: nim-sum(x;y)
Lemmas referenced :  top_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation,  cut,  hypothesis,  introduction,  extract_by_obid,  sqequalRule

Latex:
\mforall{}y:Top.  (nim-sum(0;y)  \msim{}  y)



Date html generated: 2018_05_21-PM-09_10_11
Last ObjectModification: 2018_05_19-PM-05_11_57

Theory : general


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