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THEN ListInd -1 THEN RecUnfold `zip` 0 THEN Reduce 0 THEN Try (Complete Auto) |
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2. T2 : Type 3. T1 List 4. T2 List 5. T2 6. v : T2 List 7. ||zip(nil;v)||||nil|| & ||zip(nil;v)||||v|| 00 & 0||v||+1 | 1 step |
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2. T2 : Type 3. T1 List 4. u : T1 5. v : T1 List 6. bs:T2 List. ||zip(v;bs)||||v|| & ||zip(v;bs)||||bs|| 7. T2 List 8. T2 9. v1 : T2 List 10. ||zip([u / v];v1)||||[u / v]|| & ||zip([u / v];v1)||||v1|| ||zip(v;v1)||+1||v||+1 & ||zip(v;v1)||+1||v1||+1 | 1 step |
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