| A=10 ; B=20 ; C=0 | |
| A is 10 | |
| A is not 20 | |
| A is 10 and B is 20 | |
| A is 10 or C is 10 | |
| Expressions | |
| L=(A=10 AND B=20) | |
| L = -1 | |
| NOT L = 0 | |
| NOT NOT L = -1 | |
| A=10 ; B=20 ; C=0 | |
| A is 10 | |
| A is not 20 | |
| A is 10 and B is 20 | |
| A is 10 or C is 10 | |
| Expressions | |
| L=(A=10 AND B=20) | |
| L = -1 | |
| NOT L = 0 | |
| NOT NOT L = -1 | |