| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| necessary and sufficient condition definition | 0.58 | 0.9 | 4766 | 19 | 45 |
| necessary | 0.45 | 0.1 | 8206 | 95 | 9 |
| and | 0.87 | 0.9 | 2620 | 93 | 3 |
| sufficient | 0.81 | 0.1 | 3461 | 15 | 10 |
| condition | 0.01 | 0.5 | 3091 | 76 | 9 |
| definition | 1.76 | 1 | 6810 | 3 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| necessary and sufficient condition definition | 0.29 | 0.6 | 8878 | 50 |
