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Theorem toinf-add

⊦ σ to∞ ⌜n⌝ + ⌜m⌝ = σ to n + m

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: from-append-toinffrom, from-infto-exchange, toinf-empty3, toinftoinf-append-add,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 2
Used lemmas: toinf-fin,
Used spec theorems:
- nat-inf/num-add
Used simplifier rules: