| A | B |
| Multiplicative Identity Property | a x 1 = a. |
| Additive Identity Property | a + 0 = a. |
| Multipicative Property of Zero | a x 0 = 0. |
| Multiplicative Inverse Property | a/b x b/a = 1. |
| Reflexive Property of Equality | a = a. |
| Symmetric Property of Equality | If a = b, then b = a. |
| Transitive Property of Equality | If a=b and b=c, then a=c. |
| Substitution Property of Equality | If a=b, then a may be replaced by b in any expression. |