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Theorem l-03

⊦ m < m0 ∧ n < n0 → (m + n < m0 + n0 ↔ true)

Type: A user defined theorem
Validity: The proof is valid.
Features: ss, lss,
Comment:
Used by: even-02, even-05, less, less-03, pls,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 11
Used lemmas: ls-02, neq-01, l, eq-01, z-02, less-zero, less-succ, c, a, rec, disj-zero-succ, gen, f,
Used spec theorems:
- Used simplifier rules: