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Proof step 11 from proof setShort-theorem-01 (previous step)

fillsgn(2, int2bytes(s2i(sho))) = by ' + bytes, bytes = bytes.first + [] ⊦ by ' + bytes = i2b(s2i(sho) i>> 8) ' + i2b(s2i(sho)) ', bytes = []

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 12:
fillsgn(2, int2bytes(s2i(sho))) = by ' + bytes, bytes = bytes.first ' ⊦ by ' + bytes = i2b(s2i(sho) i>> 8) ' + i2b(s2i(sho)) ', bytes = []

Rule argument

Additional information

Used simplifier rules: a: ⊦ (bytes + bytes0) + bytes1 = bytes + bytes0 + bytes1; from specification list[bytelist]%app: ⊦ bytes + [] = bytes; from specification list[bytelist]%c: ⊦ by + bytes = by ' + bytes; from specification list[bytelist]