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Proof step 16 from proof inv-read-buf (previous step)

# lpt = # avol, # buf = n0 + n, avol[m3] = mapped(buf1), m3 < # avol, awbuf-inv(avol, bleb), m0 + n ≤ LEB_SIZE, ⌊err0⌋ ⊦ ∃ buf1. # buf1 = n0 + n ∧ range=(buf1, n, buf, n, n0)

Heuristic quantifier closing applied rule exists right

And closed the goal!

Rule argument

pos: right 1 terms: buf

Additional information

Used simplifier rules: ⊦ range=(buf, n, buf, n, m) ↔ n + m ≤ # buf; (s)% ⊦ m ≤ n ↔ ¬ n < m; (ss)%f: ⊦ m < n → n ≠ 0; (forward) from specification nat-basic%lf-02: ⊦ m < n ∧ m = n0 → n0 < n; (forward) from specification nat-basic%c: ⊦ m + n = n + m; from specification nat-basic%lf-01: ⊦ m < n ∧ n = n0 → m < n0; (forward) from specification nat-basic% ⊦ m < n → n ≠ 0; (s)% ⊦ m < n → ¬ n < m; (s) Used terms: buf