Across
- 1. Proposition proved by logic
- 7. Self-evident truth
- 8. Deductive reasoning form
- 10. Vocabulary of a language
- 13. Logical argument method
- 14. Deep scholarly knowledge
- 15. Mysterious puzzle
Down
- 2. Witty concise saying
- 3. Study of being
- 4. Obvious truth
- 5. Assumption for reasoning
- 6. Origin of an artifact
- 9. Established belief
- 11. Art of persuasive speaking
- 12. Reads same both ways