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At: nth tl lem0


T:Type, y:, as:T*. tl(nth_tl(y;as)) = nth_tl(y+1;as)

By:
Analyze 0
THEN
Analyze 0
THEN
NatInd 2


Generated subgoals:

11. T: Type
as:T*. tl(nth_tl(0;as)) = nth_tl(0+1;as)
21. T: Type
2. y:
3. 0 < y
4. as:T*. tl(nth_tl(y-1;as)) = nth_tl(y-1+1;as)
as:T*. tl(nth_tl(y;as)) = nth_tl(y+1;as)


About:
alluniverselistequaladdnatural_number