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Proof step 3 from proof short-law-sub (
previous step
)
⊦ s2i(i2s(j - s2i(i2s(j0)))) = s2i(i2s(s2i(i2s(j)) - s2i(i2s(j0))))
User applied rule insert rewrite lemma
And obtained the following new goals
Proof step 4
:
⊦ s2i(i2s(j - j0)) = s2i(i2s(s2i(i2s(j)) - j0))
Rule argument
name: short-law-sub-one rotate: F subst: [j0, j] → [s2i(i2s(j0)), j]
Additional information
Used terms: s2i(i2s(j0)), j