- #1

MathPro17

- 3

- 0

Hi,

I am new here ,

I have stuck to Proved or disproved This sentence :

Thanks very much for help.

I am new here ,

I have stuck to Proved or disproved This sentence :

**If for any A,B,C sets exist A\C=B\C And A ∩ C =B ∩ C , then A⊆ B.**Thanks very much for help.

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