Vishera Messages 72 Reaction score 1 Thread starter Apr 10, 2014 #1 Homework Statement Homework Equations The Attempt at a Solution Why can't C={a1}?
AlephZero Science Advisor Homework Helper Messages 6,999 Reaction score 299 Apr 10, 2014 #2 Which part of The reason is that C = {a1} = B, so an element of A, namely a2, is not in either B or C. don't you understand?
Which part of The reason is that C = {a1} = B, so an element of A, namely a2, is not in either B or C. don't you understand?
halo31 Messages 51 Reaction score 0 Apr 12, 2014 #3 The proof clearly falls apart when it is stated let Set ##A## be a set of ##k+1## numbers. These number can either be all the same, or different. Hence the proof is invalid from that point on.
The proof clearly falls apart when it is stated let Set ##A## be a set of ##k+1## numbers. These number can either be all the same, or different. Hence the proof is invalid from that point on.