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Proof step 10 from proof init-done-01 (previous step)

((class = class0 ⊃ initval(done); st[jvmref -- mkfs(class, void_type, `initstate' .field) '])) = initval(error), jvmref -- mkfs(class, void_type, `initstate' .field) ' ∈ st, jvmref ∈ st ⊦ st[jvmref -- mkfs(class, void_type, `initstate' .field) '] = initval(error), st[jvmref -- mkfs(class, void_type, `initstate' .field) '] = initval(undone)

Heuristic if-then-else split applied rule case distinction

And closed the goal!

Rule argument

[CASEDARG : pos: left 1, ()]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ initval(istate) = initval(istate0) ↔ istate = istate0], [CSIMPSEQ : ⊦ done ≠ error])]]