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Proof step 2 from proof align-down-elim (previous step)

⊦ ∃ buf1. buf = subarray(buf, 0, align↓(# buf, EB_PAGE_SIZE)) + buf1 ∧ # buf1 < EB_PAGE_SIZE

User applied rule exists right

And obtained the following new goals

Proof step 3:
⊦ buf = subarray(buf, 0, align↓(# buf, EB_PAGE_SIZE)) + subarray(buf, align↓(# buf, EB_PAGE_SIZE), # buf - align↓(# buf, EB_PAGE_SIZE)) ∧ # subarray(buf, align↓(# buf, EB_PAGE_SIZE), # buf - align↓(# buf, EB_PAGE_SIZE)) < EB_PAGE_SIZE

Rule argument

pos: right 1 terms: subarray (buf, align↓(# buf, EB_PAGE_SIZE), # buf - align↓(# buf, EB_PAGE_SIZE)) abort: F discard: T computed: F

Additional information

Used terms: subarray (buf, align↓(# buf, EB_PAGE_SIZE), # buf - align↓(# buf, EB_PAGE_SIZE))