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Theorem swap-to-from-app

⊦ m ≤ n ∧ ¬ # σ < ⌜n⌝ → ⌜σ to n⌝ + σ0 from m = ⌜(σ from m) to (n - m)⌝ + σ0

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: swap-inf-to-from-app,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 8
Used lemmas: empty-append, empty, to-zero, from-zero, append-assoc, append-split-fin, swap-to-from, append-from-le-01, size-to, size-to-02, append-from-ge-02,
Used spec theorems:
- Used simplifier rules: