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Proof step 1 from proof prepost-resize (conclusion)

bin-heap-inv(bh, ar), bh0 = bh ⊦ ⟪bin_min_heap_resize#(minsize; bh)⟫ (bin-heap-inv(bh, ar) ∧ bh.size = bh0.size ∧ # bh.ar ≥ minsize ∧ subarray(bh.ar, 0, bh.size) = subarray(bh0.ar, 0, bh0.size))

System applied rule normalize

And obtained the following new goals

Proof step 2:
bh0 = bh, bin-heap-inv(bh, ar) ⊦ ⟪bin_min_heap_resize#(minsize; bh)⟫ (bin-heap-inv(bh, ar) ∧ bh.size = bh0.size ∧ # bh.ar ≥ minsize ∧ subarray(bh.ar, 0, bh.size) = subarray(bh0.ar, 0, bh0.size))

Proof step 1 from proof prepost-resize (conclusion)

System applied rule normalize

And obtained the following new goals

Rule argument

Additional information