Step
*
2
of Lemma
agree_on_common_cons
1. [T] : Type
2. as : T List
3. bs : T List
4. x : T
5. agree_on_common(T;as;bs)
⊢ agree_on_common(T;[x / as];[x / bs])
BY
{ (RecUnfold `agree_on_common` 0 THEN Reduce 0 THEN Auto) }
Latex:
Latex:
1. [T] : Type
2. as : T List
3. bs : T List
4. x : T
5. agree\_on\_common(T;as;bs)
\mvdash{} agree\_on\_common(T;[x / as];[x / bs])
By
Latex:
(RecUnfold `agree\_on\_common` 0 THEN Reduce 0 THEN Auto)
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