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Proof step 1 from proof add-zero (conclusion)

⊦ dec_i + 0_dec = dec_i

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 2:
⊦ 0_dec = mkDecimal(0, 0)
Proof step 3:
⊦ dec_i + mkDecimal(0, 0) = dec_i

Rule argument

spec: inst: name: zero-def seq: ⊦ 0_dec = mkDecimal(0, 0) subst: flags: rewrite, current

Additional information

Used terms: