This is probably terribly easy for most of you, but I am stuck on a proof, maybe someone could help me!

Prove: a,b are R. If a<b, then -b<-a.

Would I use the additive inverse here?

l

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- Oct 7th 2009, 01:57 PMjujabMath proof help
This is probably terribly easy for most of you, but I am stuck on a proof, maybe someone could help me!

Prove: a,b are R. If a<b, then -b<-a.

Would I use the additive inverse here?

l - Oct 7th 2009, 02:03 PMHallsofIvy
- Oct 7th 2009, 02:51 PMMatt Westwood