| abs-nodes(buf0.align↓, 0, x0, lax0, boolvar0), abs-nodes((buf0 + buf1).align↓, 0, x1, lax1, boolvar1) ⊦ ∃ buf2, buf3. buf2 = buf0.align↓ ∧ buf2 + buf3 = (buf0 + buf1).align↓, x0 ⊑ x1 ∧ lax0 ⊑ lax1 |
abs-nodes((buf0 + buf1).align↓, 0, x1, lax1, boolvar1), abs-nodes(buf0.align↓, 0, x0, lax0, boolvar0) ⊦ ∃ buf2. buf0.align↓ + buf2 = (buf0 + buf1).align↓, x0 ⊑ x1 ∧ lax0 ⊑ lax1