Nuprl Lemma : length_nil
||[]|| = 0 ∈ ℤ
Proof
Definitions occuring in Statement :
length: ||as||,
nil: [],
natural_number: $n,
int: ℤ,
equal: s = t ∈ T
Lemmas referenced :
length_of_nil_lemma
Rules used in proof :
sqequalSubstitution,
sqequalRule,
sqequalReflexivity,
cut,
lemma_by_obid,
hypothesis,
natural_numberEquality
Latex:
||[]|| = 0
Date html generated:
2016_05_14-AM-06_33_39
Last ObjectModification:
2015_12_26-PM-00_36_35
Theory : list_0
Home
Index