Nuprl Lemma : real_term_value_minus_lemma
∀a,f:Top. (real_term_value(f;"-"a) ~ -(real_term_value(f;a)))
Proof
Definitions occuring in Statement :
real_term_value: real_term_value(f;t),
rminus: -(x),
itermMinus: "-"num,
top: Top,
all: ∀x:A. B[x],
sqequal: s ~ t
Definitions unfolded in proof :
real_term_value: real_term_value(f;t),
itermMinus: "-"num,
int_term_ind: int_term_ind,
all: ∀x:A. B[x],
member: t ∈ T
Lemmas referenced :
top_wf
Rules used in proof :
sqequalSubstitution,
sqequalRule,
sqequalReflexivity,
sqequalTransitivity,
computationStep,
lambdaFormation,
cut,
introduction,
extract_by_obid,
hypothesis
Latex:
\mforall{}a,f:Top. (real\_term\_value(f;"-"a) \msim{} -(real\_term\_value(f;a)))
Date html generated:
2017_10_02-PM-07_18_00
Last ObjectModification:
2017_04_03-PM-08_47_17
Theory : reals
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