Nuprl Lemma : general_add_com

∀[a:ℤ]. ∀[b:Top].  (a + b ~ b + a)


Proof




Definitions occuring in Statement :  uall: ∀[x:A]. B[x],  top: Top,  add: n + m,  int: ℤ,  sqequal: s ~ t
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T
Lemmas referenced :  add-commutes,  top_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  hypothesis,  sqequalAxiom,  sqequalRule,  isect_memberEquality,  because_Cache,  intEquality

Latex:
\mforall{}[a:\mBbbZ{}].  \mforall{}[b:Top].    (a  +  b  \msim{}  b  +  a)



Date html generated: 2016_05_13-PM-03_39_05
Last ObjectModification: 2015_12_26-AM-09_41_24

Theory : arithmetic


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