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Proof step 2 from proof ubyte-mult (previous step)

65536 ≤ ub2i(by) * ub2i(by0), 0 < ub2i(by) * ub2i(by0), 0 ≤ ub2i(by) * ub2i(by0) ⊦

User applied rule cut formula

And obtained the following new goals

Proof step 3:
65536 = 256 * 256, 65536 ≤ ub2i(by) * ub2i(by0), 0 < ub2i(by) * ub2i(by0), 0 ≤ ub2i(by) * ub2i(by0) ⊦

Rule argument

fma: 65536 = 256 * 256

Additional information

Used formulas: 65536 = 256 * 256