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Proof step 4 from proof getdims-zero-04 (conclusion)

⊦ 0 ≤ i → getdims(i ') = i '

User applied rule insert lemma

And obtained the following new goals

Proof step 1:
⊦ 0 < j → getdims(j ' + ints) = j ' + getdims(ints)
Proof step 2:
⊦ getdims([]) = []
Proof step 3:
⊦ getdims(0 ') = 0 '

Rule argument

[LEMMAARG : getdims-rec, [j, ints] → [i, []]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ i < j ↔ j ≤ i], [CSIMPSEQ : ⊦ i ≤ j → (j ≤ i ↔ i = j)], [CSIMPSEQ : ⊦ ints + [] = ints], [CSIMPSEQ : ⊦ (ints + ints0) + ints1 = ints + ints0 + ints1], [CSIMPFORWARD : ⊦ i ≤ j ∧ 0 ≤ i → 0 ≤ j], [CSIMPSEQ : ⊦ i ' = i0 ' ↔ i = i0])], [EXTRATERMS : (i, [])]]