Nuprl Lemma : int_term_value_minus_lemma
∀x,f:Top. (int_term_value(f;"-"x) ~ -int_term_value(f;x))
Proof
Definitions occuring in Statement :
int_term_value: int_term_value(f;t),
itermMinus: "-"num,
top: Top,
all: ∀x:A. B[x],
minus: -n,
sqequal: s ~ t
Definitions unfolded in proof :
all: ∀x:A. B[x],
member: t ∈ T,
int_term_value: int_term_value(f;t),
itermMinus: "-"num,
int_term_ind: int_term_ind
Lemmas referenced :
top_wf
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
lambdaFormation,
cut,
hypothesis,
lemma_by_obid,
sqequalRule
Latex:
\mforall{}x,f:Top. (int\_term\_value(f;"-"x) \msim{} -int\_term\_value(f;x))
Date html generated:
2016_05_14-AM-06_59_34
Last ObjectModification:
2015_12_26-PM-01_12_50
Theory : omega
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