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Proof step 15 from proof ac-shift-03 (previous step)

fs = mkfs(class0, ty0, fieldvar0), ∀ class, st, ty, fieldvar, val. (addclass(class, fis0, st)[jvmref -- mkfs(class, ty, fieldvar) ', val]) = addclass(class, fis0[mkfs(class, ty, fieldvar) ', val], st) ⊦ (addclass(class0, (fs ' × val0) ' + fis0, st)[jvmref -- mkfs(class0, ty, fieldvar) ', val]) = addclass(class0, ((fs ' × val0) ' + fis0)[mkfs(class0, ty, fieldvar) ', val], st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 5:
⊦ addclass(class1, (mkfs(class1, ty, fieldvar) ' × val) ' + fis, st) = (addclass(class1, fis, st)[jvmref -- mkfs(class1, ty, fieldvar) ', val])
Proof step 14:
∀ class, st, ty, fieldvar, val. (addclass(class, fis0, st)[jvmref -- mkfs(class, ty, fieldvar) ', val]) = addclass(class, fis0[mkfs(class, ty, fieldvar) ', val], st) ⊦ (addclass(class0, fis0, st)[jvmref -- mkfs(class0, ty0, fieldvar0) ', val0][jvmref -- mkfs(class0, ty, fieldvar) ', val]) = addclass(class0, ((mkfs(class0, ty0, fieldvar0) ' × val0) ' + fis0)[mkfs(class0, ty, fieldvar) ', val], st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (fis + fis0) + fis1 = fis + fis0 + fis1])]]