Recent content by ranykar

  1. R

    Graduate Prove |A-B|=|A|: An Uncountable Set Solution

    tnx but that's not what i was asking. i know that A-B is uncountable. but how do i show 1:1 with A??
  2. R

    Graduate Prove |A-B|=|A|: An Uncountable Set Solution

    hello I am struggled with a qustion let B be a countable subset of uncountable set A. Prove |A-B|=|A| i know how to prove that A-B is uncountable but how do i show 1:1 with A? thanks ahead guys