Monday 19 October 2026 · Sound or fallacy · Gentle
Kind of thinking: ArgumentYukti #10 is a Gentle sound-or-fallacy puzzle, the puzzle for Monday 19 October 2026. Yukti, a daily logic puzzle at playyukti.com, gives everyone the same puzzle each day. Here is the puzzle; its route appears here once the free week is over.
The puzzle
Which arguments hold?
Take what you're told as true, even where it sounds odd. Mark each argument Holds, or say what breaks it. Every mark must be certain.
- 1Wherever there is smoke, there is snow.
- 2Wherever there is shade, there is snow.
- 3The field has mist and smoke.
- 4The forest has shade, and no frost or mist.
- 5The harbour has frost, smoke, and shade.
In the free week (the past 7 days)
Free to play until Mon 26 October. The route appears here the same day, once nobody can still be playing it.
Play this puzzle