0 votes 0 votes Let $T = \{(i, j, k)\mid i, j, k \in N \}$. Show that $T$ is countable. Theory of Computation michael-sipser theory-of-computation turing-machine countable-uncountable-set proof + – admin asked Oct 17, 2019 admin 491 views answer comment Share Follow See 1 comment See all 1 1 comment reply smsubham commented Dec 28, 2019 reply Follow Share https://youtu.be/MqocbJ-FPo0?t=154 0 votes 0 votes Please log in or register to add a comment.