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Theorem toinfto-append-add

⊦ ¬ # σ < n∞ ∧ ¬ # σ0 < ⌜n1⌝ → (σ to∞ n∞) + σ0 to∞ ⌜n1⌝ + n∞ = (σ to∞ n∞) + (σ0 to n1)

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: 0
Proof steps: 1
Used lemmas: append-assoc, toinf-fin, toinftoinf-append-add,
Used spec theorems:
- Used simplifier rules:
  - nat-inf/add-comm
  - nat-inf/add-assoc