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Proof step 7 from proof datasize-split-empty-h (previous step)

buf1 = mkempbuf(# buf1), m0 ≤ # buf1 ⊦ (m0 = 0 ∨ datasize(buf1, m0) = 0 ⊃ datasize(buf0, # buf0);# buf0 + datasize(buf1, m0)) = datasize(buf0, # buf0)

Heuristic if-then-else split applied rule case distinction

And obtained the following new goals

Proof step 8:
buf1 = mkempbuf(# buf1), m0 ≤ # buf1 ⊦ # buf0 + datasize(buf1, m0) = datasize(buf0, # buf0), datasize(buf1, m0) = 0, m0 = 0

Rule argument

pos: right 1

Proof step 7 from proof datasize-split-empty-h (previous step)

Heuristic if-then-else split applied rule case distinction

And obtained the following new goals

Rule argument

Additional information