Nuprl Lemma : length-nil
||[]|| ~ 0
Proof
Definitions occuring in Statement : 
length: ||as||
, 
nil: []
, 
natural_number: $n
, 
sqequal: s ~ t
Lemmas referenced : 
length_of_nil_lemma
Rules used in proof : 
sqequalSubstitution, 
sqequalRule, 
cut, 
lemma_by_obid, 
hypothesis, 
sqequalReflexivity
Latex:
||[]||  \msim{}  0
Date html generated:
2016_05_14-AM-06_33_43
Last ObjectModification:
2015_12_26-PM-00_36_27
Theory : list_0
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