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Proof step 2 from proof at-other-48 (previous step)

⊦ ((r -- mkfs(class, mkclasstype(class0), fieldvar) ' = _mode ⊃ val; st[r -- mkfs(class, mkclasstype(class0), fieldvar) '])) = st[r -- mkfs(class, mkclasstype(class0), fieldvar) ']

Heuristic if-then-else split applied rule case distinction

And closed the goal!

Rule argument

[CASEDARG : pos: right 1, ()]

Additional information

[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ _mode = r -- sk → r = jvmref], [CSIMPSEQ : ⊦ _mode = jvmref -- sk ↔ sk = mkfs (`java.lang.Object' .class, void_type, `mode' .field) '], [CSIMPSEQ : ⊦ fs ' = fs0 ' ↔ fs = fs0], [CSIMPSEQ : ⊦ mkfs(class, ty, fieldvar) = mkfs(class0, ty0, fieldvar0) ↔ class = class0 ∧ ty = ty0 ∧ fieldvar = fieldvar0], [CSIMPSEQ : ⊦ mkclasstype(class) ≠ void_type])]]