Nuprl Lemma : bag_union_empty_lemma
bag-union({}) ~ {}
Proof
Definitions occuring in Statement :
bag-union: bag-union(bbs),
empty-bag: {},
sqequal: s ~ t
Definitions unfolded in proof :
empty-bag: {},
bag-union: bag-union(bbs),
concat: concat(ll),
all: ∀x:A. B[x],
member: t ∈ T,
top: Top
Lemmas referenced :
reduce_nil_lemma
Rules used in proof :
sqequalSubstitution,
sqequalRule,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
cut,
lemma_by_obid,
sqequalHypSubstitution,
dependent_functionElimination,
thin,
isect_memberEquality,
voidElimination,
voidEquality,
hypothesis
Latex:
bag-union(\{\}) \msim{} \{\}
Date html generated:
2016_05_15-PM-02_26_52
Last ObjectModification:
2015_12_27-AM-09_51_42
Theory : bags
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