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Theorem lastN-rec
⊦ lastn(n + 1, x) = lastn(n, x.butlast) + x.last
Type: An axiom
Validity: The proof is valid.
Features:
Comment:
Used by:
lastN-empty
,
lastN-rec-01
,
lastn-app
,
lastn-lastn
,
lastn-length
,
lastn-neq-01
,
lastn-rec
,
lastn-restn-01
,
Used by units in proved state:
Proof exists?: No