Q is an infinite set. An infinite set is countable if it has an injection into N. Or into any countable set, such ... ... <看更多>

Q is countable but R is uncountable | Cardinality and Countability [EP3] · Comments. ... <看更多>

Proving the Rational numbers are countable. ... Prove that Set of Rational number ( Q) is countable ||#bsc || #msc. Beeru Sharma•262 views. ... <看更多>

Prove that set Q if all rational number is countable. 3.4K views · 1 year ago ...more. Doctor of Mathematics. 13.3K. Subscribe. ... <看更多>