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Proof step 15 from proof addarray-mode (previous step)

vals ≠ [], _mode ∈ (addarray(r, ty, vals .butlast, st)[r -- n→i((# vals) -1) ', vals .last][r -- _length, intval(n→i(# vals))]), ∀ st, ty, r, vals0. # vals0 < # vals → (_mode ∈ addarray(r, ty, vals0, st) → r = jvmref ∨ _mode ∈ st) ⊦ vals = [], r = jvmref, _mode ∈ st

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 14:
_mode ∈ (addarray(r, ty, vals .butlast, st)[r -- n→i(# vals - 1) ', vals .last][r -- _length, intval(n→i(# vals))]), ∀ st, ty, r, vals0. # vals0 < # vals → (_mode ∈ addarray(r, ty, vals0, st) → r = jvmref ∨ _mode ∈ st) ⊦ r = jvmref, vals = [], _mode ∈ st

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ n -1 = n - 1])]]