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- Magnum opus of Spinoza
- Philosophers' subject
- Sudoku solver's skill
- Subfield of philosophy
- Start to educate Catholic in the present moral code
- Business school subject
- Aristotle concern
- Look good in charge showing sense
- Reason officer turns up to grab soldier
- KenKen solver's skill
- Steely Dan "Pretzel ___"
- Asset for Sherlock
- Deductive thinking
- KenKen solver's need
- Reason heads of LEAs offer grants is controversial