Nuprl Lemma : callbyvalue-then-apply
∀[f,x:Top].  (eval g = f in g x ~ f x)
Proof
Definitions occuring in Statement : 
callbyvalue: callbyvalue, 
uall: ∀[x:A]. B[x]
, 
top: Top
, 
apply: f a
, 
sqequal: s ~ t
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
has-value: (a)↓
Lemmas referenced : 
top_wf, 
is-exception_wf, 
has-value_wf_base
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation, 
introduction, 
cut, 
sqequalRule, 
thin, 
sqequalSqle, 
divergentSqle, 
callbyvalueCallbyvalue, 
sqequalHypSubstitution, 
hypothesis, 
callbyvalueReduce, 
sqleReflexivity, 
callbyvalueExceptionCases, 
axiomSqleEquality, 
lemma_by_obid, 
isectElimination, 
baseApply, 
closedConclusion, 
baseClosed, 
hypothesisEquality, 
exceptionSqequal, 
callbyvalueApply, 
applyExceptionCases, 
sqequalAxiom, 
isect_memberEquality, 
because_Cache
Latex:
\mforall{}[f,x:Top].    (eval  g  =  f  in  g  x  \msim{}  f  x)
Date html generated:
2016_05_13-PM-03_45_52
Last ObjectModification:
2016_01_14-PM-07_06_29
Theory : computation
Home
Index