PrintForm Definitions list 3 autom Sections AutomataTheory Doc

At: firstn lem1


T:Type, x:, as:T*. x < ||as|| firstn(x+1;as) = (firstn(x;as) @ [as[x]])

By:
Analyze 0
THEN
Analyze 0


Generated subgoal:

11. T: Type
2. x:
as:T*. x < ||as|| firstn(x+1;as) = (firstn(x;as) @ [as[x]])


About:
alluniverselistimpliesless_than
equaladdnatural_numberconsnil