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Proof step 3 from proof disk-layout-size-vol-orphans (previous step)

(5 + 2 * lptlebs(# lpt, LEB_SIZE)) + # lpt = # avol, # avol ≤ m3, m2 = 1 ∧ m3 = 3 ∧ m5 = 5 ∨ m2 = 2 ∧ m3 = 4 ∧ m5 = 5 + lptlebs(# lpt, LEB_SIZE) ⊦

User applied rule insert equation

And obtained the following new goals

Proof step 4:
(5 + 2 * lptlebs(# lpt, LEB_SIZE)) + # lpt ≤ m3, m2 = 1 ∧ m3 = 3 ∧ m5 = 5 ∨ m2 = 2 ∧ m3 = 4 ∧ m5 = 5 + lptlebs(# lpt, LEB_SIZE) ⊦

Rule argument

pos: left 1 flags: rotate, discard

Additional information