Nuprl Lemma : int_eq-sqle-lemma2

∀[x:Top]. (if x=0  then x  else ⊥ ≤ x)


Proof




Definitions occuring in Statement :  bottom: ⊥,  uall: ∀[x:A]. B[x],  top: Top,  int_eq: if a=b  then c  else d,  natural_number: $n,  sqle: s ≤ t
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T
Lemmas referenced :  int_eq-sqle-lemma1,  top_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  natural_numberEquality,  hypothesis,  axiomSqleEquality

Latex:
\mforall{}[x:Top].  (if  x=0    then  x    else  \mbot{}  \mleq{}  x)



Date html generated: 2016_05_13-PM-03_46_20
Last ObjectModification: 2015_12_26-AM-09_58_29

Theory : call!by!value_2


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