Nuprl Lemma : next-unfold

[k,p:Top].  ((next i > s.t. ↑p[i]) eval in if p[j] then else (next i > s.t. ↑p[i]) fi )


Proof




Definitions occuring in Statement :  next: (next i > s.t. ↑p[i]) callbyvalue: callbyvalue ifthenelse: if then else fi  uall: [x:A]. B[x] top: Top so_apply: x[s] add: m natural_number: $n sqequal: t
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T next: (next i > s.t. ↑p[i])
Lemmas referenced :  top_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation introduction cut sqequalRule hypothesis sqequalAxiom lemma_by_obid sqequalHypSubstitution isect_memberEquality isectElimination thin hypothesisEquality because_Cache

Latex:
\mforall{}[k,p:Top].
    ((next  i  >  k  s.t.  \muparrow{}p[i])  \msim{}  eval  j  =  k  +  1  in
                                                          if  p[j]  then  j  else  (next  i  >  j  s.t.  \muparrow{}p[i])  fi  )



Date html generated: 2016_05_15-PM-03_59_50
Last ObjectModification: 2015_12_27-PM-03_05_34

Theory : general


Home Index