Nuprl Lemma : general_add_assoc
∀[a,b,c:Top]. (a + b + c ~ (a + b) + c)
Proof
Definitions occuring in Statement :
uall: ∀[x:A]. B[x],
top: Top,
add: n + m,
sqequal: s ~ t
Definitions unfolded in proof :
uall: ∀[x:A]. B[x],
member: t ∈ T
Lemmas referenced :
add-associates,
top_wf
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
isect_memberFormation,
introduction,
cut,
lemma_by_obid,
sqequalHypSubstitution,
isectElimination,
thin,
hypothesisEquality,
hypothesis,
sqequalAxiom,
sqequalRule,
isect_memberEquality,
because_Cache
Latex:
\mforall{}[a,b,c:Top]. (a + b + c \msim{} (a + b) + c)
Date html generated:
2016_05_13-PM-03_39_02
Last ObjectModification:
2015_12_26-AM-09_41_27
Theory : arithmetic
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