Infinite sequence
Set
context | $X$ |
definiendum | $ A\in \mathrm{InfSequence}(X) $ |
postulate | $A: \mathbb N\to X$ |
Discussion
Instead of $\langle n,A(n)\rangle$, we also write $A_n$ and denote the whole sequence by $(A_n)_{n\in\mathbb N}$ or just $(A_n)$.