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Theorem getbooleanarray-length

⊦ okarray(r, boolean_type, st) → st[r -- _length] .intval = n→i(# getbooleanarray(r, st))

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 3
Used lemmas: boolvals-length, getbooleanarray, getbooleanarray-def,
Used spec theorems:
- storearrays/get-length
Used simplifier rules:
- intnat/i2i-pos
- int-abs/lels
- storearrays/getArray-zero
- list-data/javavalues/size-01
- int-abs/lels-02
- okfuns/okarray-len
- okfuns/okarray-05