Nuprl Lemma : strictness-concat
concat(⊥) ~ ⊥
Proof
Definitions occuring in Statement : 
concat: concat(ll)
, 
bottom: ⊥
, 
sqequal: s ~ t
Definitions unfolded in proof : 
concat: concat(ll)
, 
reduce: reduce(f;k;as)
, 
list_ind: list_ind, 
append: as @ bs
, 
cons: [a / b]
, 
nil: []
, 
it: ⋅
, 
uall: ∀[x:A]. B[x]
, 
so_lambda: λ2x.t[x]
, 
member: t ∈ T
, 
top: Top
, 
so_apply: x[s]
Lemmas referenced : 
strictness-callbyvalue
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
sqequalRule, 
cut, 
lemma_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
hypothesis
Latex:
concat(\mbot{})  \msim{}  \mbot{}
Date html generated:
2016_05_15-PM-02_07_36
Last ObjectModification:
2015_12_27-AM-00_37_21
Theory : untyped!computation
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