Register to reply

Abstract Algebra question

by freefizix
Tags: abstract, algebra
Share this thread:
Jun6-07, 12:52 PM
P: 2
This question links to a former discussion on the board. I'm confused regarding this thread:


Specifically, towards the end of the thread, the asker states (in regards to the union notation originally cited):

"....if we say that x is an element of the union of those sets, then we know x is an element of at least one of those sets. "

I thought the "or" conditional of the union meant that one (and only one) match occurs for x for the notation to be true. I could be wrong....
Phys.Org News Partner Mathematics news on
Heat distributions help researchers to understand curved space
Professor quantifies how 'one thing leads to another'
Team announces construction of a formal computer-verified proof of the Kepler conjecture
Jun6-07, 01:14 PM
P: 461
Nope. "Or" always means non-exclusive or.
Jun6-07, 01:43 PM
P: 2
Got it, thanks....

Register to reply

Related Discussions
Abstract algebra question Calculus & Beyond Homework 5
Abstract Algebra - isomorphism question Calculus & Beyond Homework 4
Abstract algebra question Calculus & Beyond Homework 7
Another Abstract Algebra Question... Calculus & Beyond Homework 1
Abstract Algebra question? Linear & Abstract Algebra 13