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Theorem finremtau-split-weak

⊦ ext !(al) = el + el0 ↔ (∃ al1, al0. al = al1 + al0 ∧ ext !(al1) = el ∧ ext !(al0) = el0)

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

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Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 6
Used lemmas: finremtau-def, remtau-split-weak, finremtau-append,
Used spec theorems:
- Used simplifier rules: