| Answer | Crossword Clue |
|---|---|
| DERIVE | Establish by deduction |
| INFER | Establish by deduction |
| DERIVE | Reason by deduction |
| INFERS | Reasons by deduction |
| CPA | One who reasons by deduction, for short? |
| ORDAIN | Establish by law |
| ENACT | Establish by law |
| ORDAIN | Establish by decree |
| RULE | Establish by a decision. |
| PROVE | Establish the truth by argument |
