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Theorem leq-append-both

⊦ ⌜x⌝ + σ1 ≤ ⌜x⌝ + σ2 ↔ σ1 ≤ σ2

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 5
Used lemmas: leq-append-right, append-assoc, append-cancel-l, prefix-def,
Used spec theorems:
- Used simplifier rules: