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Proof step 18 from proof countrefs-getdims-01 (previous step)

⊦ countrefs(i ' + getdims(ints)) = countrefs(i ' + ints), ints = []

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ # ints > 1 ∧ ints .first ≤ 0 → countrefs(ints) = 1
Proof step 13:
¬ (# (i ' + getdims(ints)) > 1 ∧ (i ' + getdims(ints)) .first ≤ 0) ⊦ countrefs(i ' + getdims(ints)) = countrefs(i ' + ints), ints = []
Proof step 17:
# (i ' + getdims(ints)) > 1 ∧ (i ' + getdims(ints)) .first ≤ 0 ⊦ 1 = countrefs(i ' + ints), ints = []

Rule argument

[crewrite-arg: countrefs-zero-01, F, [ints] → [i ' + getdims(ints)]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (i ' + getdims(ints))]]