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Theorem divup2-def

⊦ n /↑ 2 = (even(n) ⊃ n / 2;(n + 1) / 2)

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

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Infos about the proof