Nuprl Lemma : bag_null_empty_lemma
bag-null({}) ~ tt
Proof
Definitions occuring in Statement : 
bag-null: bag-null(bs)
, 
empty-bag: {}
, 
btrue: tt
, 
sqequal: s ~ t
Definitions unfolded in proof : 
empty-bag: {}
, 
bag-null: bag-null(bs)
Lemmas referenced : 
null_nil_lemma
Rules used in proof : 
sqequalSubstitution, 
sqequalRule, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
cut, 
lemma_by_obid, 
hypothesis
Latex:
bag-null(\{\})  \msim{}  tt
Date html generated:
2016_05_15-PM-02_23_55
Last ObjectModification:
2015_12_27-AM-09_53_38
Theory : bags
Home
Index