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Step * of Lemma ring_term_value_sub_lemma

∀r,b,a,f:Top.  (ring_term_value(f;a (-) b) ~ ring_term_value(f;a) +r (-r ring_term_value(f;b)))
BY
{ (RepUR ``ring_term_value`` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}r,b,a,f:Top.    (ring\_term\_value(f;a  (-)  b)  \msim{}  ring\_term\_value(f;a)  +r  (-r  ring\_term\_value(f;b)))


By

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Latex:
(RepUR  ``ring\_term\_value``  0  THEN  Auto)

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