Nuprl Lemma : seq-comp-item

∀[T:Type]. ∀[s:sequence(T)]. ∀[f,i:Top].  (f o s[i] ~ f s[i])


Proof




Definitions occuring in Statement :  seq-comp: f o s,  seq-item: s[i],  sequence: sequence(T),  uall: ∀[x:A]. B[x],  top: Top,  apply: f a,  universe: Type,  sqequal: s ~ t
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  sequence: sequence(T),  seq-item: s[i],  seq-comp: f o s,  pi2: snd(t)
Lemmas referenced :  top_wf,  sequence_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalHypSubstitution,  productElimination,  thin,  sqequalRule,  hypothesis,  sqequalAxiom,  extract_by_obid,  isect_memberEquality,  isectElimination,  hypothesisEquality,  because_Cache,  universeEquality

Latex:
\mforall{}[T:Type].  \mforall{}[s:sequence(T)].  \mforall{}[f,i:Top].    (f  o  s[i]  \msim{}  f  s[i])



Date html generated: 2018_07_25-PM-01_28_28
Last ObjectModification: 2018_06_11-PM-04_24_58

Theory : arithmetic


Home Index