How Do You Solve the Second Part of an Equivalence Relations Problem? • Physics Forums

loydchase · 2018-11-17T08:02:25+00:00

I understand that the first part of the equation is an equivalence class due to reflexivity, symmetry, and transivity... but I am confused on the second part. Could someone please help me out? THANKS

Thread 'Onto set mapping is the surjective set mapping, and into injective?'

The textbook is being fine. I asked the forum for some introduction to topology, and decided to start with Simmon`s. This naive question is due to ignorance of the words into and onto, which I don't distinguish in Spanish. A quick browsing sugests I'm right.

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MHB How Do You Solve the Second Part of an Equivalence Relations Problem?

Thread 'Onto set mapping is the surjective set mapping, and into injective?'

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