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Proof step 1 from proof valid-wl-free (conclusion)

m < # wlar ⊦ valid-wl(apebs, wlar) → (valid-wl(apebs, wlar[m, wl-entry(m1, free)]) ↔ apebs[m].echdr = aechdr(m1) ∧ apebs[m].vidhdr = empty ∧ ¬ apebs[m].bad)

System applied rule normalize

And obtained the following new goals

Proof step 2:
m < # wlar, valid-wl(apebs, wlar) ⊦ valid-wl(apebs, wlar[m, wl-entry(m1, free)]) ↔ apebs[m].echdr = aechdr(m1) ∧ apebs[m].vidhdr = empty ∧ ¬ apebs[m].bad

Proof step 1 from proof valid-wl-free (conclusion)

System applied rule normalize

And obtained the following new goals

Rule argument

Additional information