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Theorem count-add-even-odd

⊦ countevn(a, p) + countodd(a, p) = count(a, p)

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 4
Proof steps: 6
Used lemmas: count-add-even-odd-ind, countodd-def, countevn-def,
Used spec theorems:
- filter-count/oarray-sort/count-def
Used simplifier rules:
- nat/lez
- nat/ler