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Theorem remtau-split-weak

⊦ ext !(α) = ⌜el⌝ + β ↔ (∃ al, α0. α = ⌜al⌝ + α0 ∧ ext !(⌜al⌝ ) = ⌜el⌝ ∧ ext !(α0) = β)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 6
Used lemmas: finremtau-empty, remtau-append, finremtau-def, remtau-split,
Used spec theorems:
- Used simplifier rules: