First Countable space And second countable space with examples

[@toufiquealam5357]

Walaikum asalam
And Thanks bhai

[@sayoojpv3434]

Very nice explanation sir. Thank you🥰

[@mathwithikram9288]

Thank you 😊

[@kartiklifestyle]

Thank you so much sir 🙏🙏🙏🙏

[@mahammanfat523]

Sir last example is also second countable space kindly watch it again and if it is not then explain

[@anchaljaiswal.cutegirl2776]

Thank you sir 🙏

[@divyapradhan505]

👌

[@mathwithikram9288]

Thank you🙂

[@shahidmukhtar5886]

Sir I think last example is also be the 2nd countable space because it has also countable basis.if this exapmle has uncountable basis then we say that this toplogy is not 2nd countable space

[@AdvanceScholars]

Very good explanation

[@mathwithikram9288]

Keep watching

[@wryanihad]

The last example why its not 2 nd countable?

[@xyz9865]

Thanks

[@zohanhassan3842]

Gooooooooooood

[@midmid17]

wonderful explanation that i understood each and everything you said besides im poor in hindi

[@mathwithikram9288]

Thanks

[@appliedmathematics716]

Good explanation 👍

[@mathwithikram9288]

Thank you 😊

[@cricketingpractice]

Wrong info..... Cofinite topology is not first countable if X is uncountable

[@varshas9033]

Thank u sir

[@mathwithikram9288]

Welcome

[@Yasho_1432]

Thank you so much sir

[@rawat1747]

thank you sir

[@mathwithikram9288]

Most welcome

[@Rahejannat-660]

👌