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
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