| Sense |
| Reason |
| Reasoning |
| Rationale |
| Deduction |
| Good sense |
| Boolean ___ |
| Vulcan ideal |
| Sudoku skill |
| Good thinking |
| Columbo asset |
| Hegel's forte |
| Spock's forte |
| It makes sense |
| Poirot's forte |
| Sleuth's asset |
| Clear-thinking |
| Sound thinking |
| Vulcan's asset |
| Vulcan's forte |
| Good reasoning |
| Spock specialty |
| Sound judgment? |
| Aristotle forte |
| Aristotle topic |
| Columbo's asset |
| Need for KenKen |
| Spock trademark |
| Valid reasoning |
| Sound reasoning |
| Astute reasoning |
| Inexorable truth |
| Line of thinking |
| Mental reasoning |
| This makes sense |
| Vulcan specialty |
| If-then analysis |
| Reasoned thought |
| ____ common sense |
| Aristotle subject |
| Detective's asset |
| Mr. Spock's forte |
| Aristotle concern |
| Bedrock for Spock |
| Careful reasoning |
| Straight thinking |
| Detective's skill |
| Rational thinking |
| Reasoned thinking |
| Aristotle's forte |
| Spock's specialty |
| Asset for Sherlock |
| Deductive thinking |
| Vulcan's forte (5) |
| Vulcan's specialty |
| Method of reasoning |
| Philosopher's forte |
| Sherlock's strength |
| Deductive reasoning |
| Puzzle-solving asset |
| It's sometimes fuzzy |
| KenKen solver's need |
| Mr. Spock's strength |
| Sudoku solver's need |
| Sudoku solving skill |
| Branch of mathematics |
| Subject for Aristotle |
| Mr. Spock's specialty |
| Syllogistic reasoning |
| KenKen solver's skill |
| Sudoku solver's skill |
| Raymond Smullyan topic |
| One of Sherlock's tools |
| Steely Dan "Pretzel ___ |
| If-then reasoning, e.g. |
| Mr. Spock's strong suit |
| Puzzle-solver's strength |
| One of Aristotle's fortes |
| Class featuring syllogisms |
| Work done on the premises? |
| Computer programmer's need |
| Part of an unsound argument |
| Sudoku solver's strong suit |
| It helps you make deductions |
| Skill used by Sudoku solvers |
| Aristotle's rule of reasoning |
| Basis of Mr. Spock's decisions |
| Mr. Spock's method of reasoning |
| Subject of a Lewis Carroll book |
| Means to solving a sudoku puzzle |
| If a = b and b = c, then a = c, e.g. |
| Kind of puzzle that requires deduction |
| Branch of mathematics involving truth tables |
| When dealing with people, let us remember we are not dealing with creatures of ___": Dale Carnegie |