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Proof step 20 from proof ac-in-03 (previous step)

sk = fs ', is_fskey(sk), jvmref -- _type ∈ addclass(class1, fis0, st), jvmref ∈ addclass(class1, fis0, st), ∀ class, st0. jvmref -- _type ∈ addclass(class, fis0, st0) ∧ jvmref ∈ addclass(class, fis0, st0) → jvmref -- _type ∈ st0 ⊦ fs .class = class1, _type = sk, _type ∈ fis0, jvmref -- _type ∈ st

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 19:
jvmref -- _type ∈ addclass(class1, fis0, st), jvmref ∈ addclass(class1, fis0, st), ∀ class, st0. jvmref -- _type ∈ addclass(class, fis0, st0) ∧ jvmref ∈ addclass(class, fis0, st0) → jvmref -- _type ∈ st0 ⊦ fs .class = class1, _type = fs ', _type ∈ fis0, jvmref -- _type ∈ st

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_fskey(fs ')])]]