Historical clue formulations

• Skill needed to solve a sudoku puzzle — 2026-07-28
• "___ will get you from A to B. Imagination can take you everywhere" (statement attributed to Einstein) — 2025-07-29
• Puzzle genre — 2022-06-03
• "___ is the beginning of wisdom ... not the end": Spock — 2021-09-04
• What you need to solve sudoku — 2020-07-15
• Detective's asset — 2017-11-17
• Computer programmer's need — 2017-08-18
• KenKen solver's need — 2017-07-26
• Sudoku solver's need — 2016-03-22
• Part of an unsound argument — 2015-06-21
• "When dealing with people, let us remember we are not dealing with creatures of ___": Dale Carnegie — 2015-03-29
• Mr. Spock's forte — 2015-01-21
• Sound reasoning — 2014-12-16
• Branch of mathematics — 2011-12-23
• Boolean ___ — 2011-05-25
• Mr. Spock's forte — 2009-10-20
• If A > B and B > C, then A > C, e.g. — 2009-09-14
• Sound reasoning — 2007-07-31
• This makes sense — 2006-04-16
• Means to solving a sudoku puzzle — 2005-07-26
• Computer programmer's need — 2003-01-28
• Aristotle's forte — 2003-01-22
• Good thinking — 2002-04-28
• If a = b and b = c, then a = c, e.g. — 2001-10-08
• Detective's skill — 2001-08-14
• It makes sense — 2001-05-19
• Common sense — 2001-04-23
• Mr. Spock's forte — 2000-09-18
• Sound thinking — 2000-06-12
• Line of thinking — 2000-04-09
• Reasoning — 1999-11-03
• Work done on the premises? — 1997-02-23
• Reasoning — 1996-08-13
• Aristotelian subject — 1996-07-26
• Subject for Aristotle — 1995-12-27
• Raymond Smullyan topic — 1994-06-19