[SOLVED] Ideal products.

Feb 2009
189
0
Hi:
Reading a book on ring theory, I find the symbol aRb, where R is a ring and a, b are elements of R. Can somebody give me a definition of aRb? I'd be very grateful if somebody sends one. Thanks for reading.
 

NonCommAlg

MHF Hall of Honor
May 2008
2,295
1,663
Hi:
Reading a book on ring theory, I find the symbol aRb, where R is a ring and a, b are elements of R. Can somebody give me a definition of aRb? I'd be very grateful if somebody sends one. Thanks for reading.
\(\displaystyle aRb=\{arb: \ r \in R \}.\)
 
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