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Theorem Less-rec
⊦ char1 ' + str1 < char2 ' + str2 ↔ char1 < char2 ∨ char1 = char2 ∧ str1 < str2
Type: An axiom
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by:
less-append
,
val-irref
,
val-total
,
val-trans
,
Used by units in proved state:
Proof exists?: No