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Proof step 4 from proof kappa-TOPRED (previous step)

〈tn := some((K _ t3 _ t1) .1 .2)〉 tn = tn0, tn0 ≠ some(t3), n ≠ 0, value(t3), value(t1) ⊦

Heuristic symbolic execution applied rule assign left

And closed the goal!

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (t _ t0) .1 = t], [CSIMPSEQ : ⊦ (t _ t0) .2 = t0], [CSIMPSEQ : ⊦ some(t) = some(t0) ↔ t = t0])]]