- #1

Mr Davis 97

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## Homework Statement

T/F: Every ring with unity has at least two units

## Homework Equations

## The Attempt at a Solution

I thought that the answer was true, because if a ring ##R## has unity ##1##, then ##1 \cdot 1 = 1## and ##(-1) \cdot (-1) = 1##. Where am I going wrong?