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Proof step 19 from proof validstatfield-union (previous step)

sk .fs = mkfs(class, ty, fieldvar), is_fskey(sk) ∧ sk ∈ statfields(sk .fs .class) ∧ tdname∃(str, sk .fs .class) ∧ (initdone(sk .fs .class, st0) → validfield(str, jvmref, sk, st0)), is_fskey(sk) ⊦ jvmref ∈ st, (initdone(class, st0) → validfield(str, jvmref, sk, st ∪ st0)) ∧ tdname∃(str, class) ∧ sk ∈ statfields(class)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 18:
sk .fs = mkfs(class, ty, fieldvar), is_fskey(sk), tdname∃(str, class), sk ∈ statfields(class), initdone(class, st0), validfield(str, jvmref, sk, st0) ⊦ jvmref ∈ st, validfield(str, jvmref, sk, st ∪ st0)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : fieldspec, , sel-01, ⊦ mkfs(class, ty, fieldvar) .class = class])]]