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Proof step 41 from proof junkrefs-delete-02 (previous step)

junkrefs(str, r0 ' + acc, ty, st), ∀ str, ty, st, r. junkrefs(str, acc, ty, st) → junkrefs(str, acc, ty, st -- r) ⊦ junkrefs(str, r0 ' + acc, ty, st -- r)

User applied rule cut formula

And obtained the following new goals

Proof step 5:
r = r0, junkrefs(str, r0 ' + acc, ty, st), ∀ str, ty, st, r. junkrefs(str, acc, ty, st) → junkrefs(str, acc, ty, st -- r) ⊦ junkrefs(str, r0 ' + acc, ty, st -- r)
Proof step 40:
junkrefs(str, r0 ' + acc, ty, st), ∀ str, ty, st, r. junkrefs(str, acc, ty, st) → junkrefs(str, acc, ty, st -- r) ⊦ r = r0, junkrefs(str, r0 ' + acc, ty, st -- r)

Rule argument

[fma-arg: r = r0]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRAFMAS : (r = r0)]]