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Theorem pls-pos

0 < i, 0 < j, i ≤ i0, j < j0 ⊦ i * j < i0 * j0

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: eq-one, ple-pos, pnle-pos, square-eq, square-ls,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 3
Used lemmas: commutativity, associativity, ls-pos,
Used spec theorems:
- int-abs/forward-lels
Used simplifier rules: