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Proof step 4 from proof bint-carry-01 (previous step)

⊦ ¬ (band(4294967295, i) + band(4294967295, j)) l>>> 32 < ~2147483648 ∧ ¬ 2147483647 < (band(4294967295, i) + band(4294967295, j)) l>>> 32

User applied rule case distinction

And obtained the following new goals

Proof step 5:
⊦ ¬ (band(4294967295, i) + band(4294967295, j)) l>>> 32 < ~2147483648
Proof step 8:
⊦ ¬ 2147483647 < (band(4294967295, i) + band(4294967295, j)) l>>> 32

Rule argument

pos: right 1

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