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Proof step 1 from proof inv-move-buf (conclusion)

wbuf-cons(bleb, wbuf, avol, rofs), ebm-vol-inv(avol), # lpt = # avol, ¬ rofs → bleb = buffered(m) ∨ (bleb = nobuffer ∨ wbuf.nbytes = 0) ∧ m < # avol ∧ avol[m].mapped? ∧ m0 = # avol[m].data ⊦ ⟪wbuf_move_buf#(m, m0, rofs, avol; bleb, wbuf; err)⟫ wbuf-cons(bleb, wbuf, avol, rofs)

System applied rule normalize

And obtained the following new goals

Proof step 2:
# lpt = # avol, ebm-vol-inv(avol), wbuf-cons(bleb, wbuf, avol, rofs), ¬ rofs → bleb = buffered(m) ∨ (bleb = nobuffer ∨ wbuf.nbytes = 0) ∧ m < # avol ∧ avol[m].mapped? ∧ m0 = # avol[m].data ⊦ ⟪wbuf_move_buf#(m, m0, rofs, avol; bleb, wbuf; err)⟫ wbuf-cons(bleb, wbuf, avol, rofs)

Proof step 1 from proof inv-move-buf (conclusion)

System applied rule normalize

And obtained the following new goals

Rule argument

Additional information