Nuprl Lemma : length_wf2
||[]|| ∈ ℤ
Proof
Definitions occuring in Statement :
length: ||as||,
nil: [],
member: t ∈ T,
int: ℤ
Definitions unfolded in proof :
member: t ∈ T
Lemmas referenced :
length_of_nil_lemma
Rules used in proof :
sqequalSubstitution,
sqequalRule,
sqequalReflexivity,
cut,
lemma_by_obid,
hypothesis,
sqequalTransitivity,
computationStep,
natural_numberEquality
Latex:
||[]|| \mmember{} \mBbbZ{}
Date html generated:
2016_05_14-AM-06_32_54
Last ObjectModification:
2015_12_26-PM-00_37_21
Theory : list_0
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