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Proof step 4 from proof int2bytes-len-ls-01 (previous step)

int2bytes(i).first = i2b(0), 0 < i ⊦ i = 0, n < # int2bytes(i) ↔ ¬ i < 2 ^ (n→i(n) * 8 - 1)

User applied rule cut formula

And obtained the following new goals

Proof step 5:
int2bytes(i).first = i2b(0), 0 < i ⊦ i = 0, i = 0, n < # int2bytes(i) ↔ ¬ i < 2 ^ (n→i(n) * 8 - 1)

Rule argument

fma: i = 0

Additional information

Used formulas: i = 0