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Theorem Equality
⊦ ri = rj ↔ ri.num = rj.num ∧ ri.denom = rj.denom
Type: An axiom
Validity: The proof is valid.
Features:
Comment:
Used by:
Extsimple
,
abs-pos
,
canon-any
,
canon-pos
,
denom-neg
,
equal-same
,
equality-01
,
equality-pos
,
factor-rat-03
,
int-add
,
make
,
neg-neg
,
negate
,
zero-denom
,
zero-num
,
Used by units in proved state:
Proof exists?: No