Mathematical Symbols:
Therefore - ∴
Because - ∵
Normal Sudoku Rules apply.
For accessibility, lines have either been marked with an abbreviation or are double, to distinguish them as an alternative to the line's colour.
Cells connected by a pink Renban [RN] line form a set of consecutive digits, in any order, without repeats.
Adjacent digits along a green German Whisper [GW] line must differ by at least 5.
Adjacent digits along an orange Dutch Whisper [DW] line must differ by at least 4.
Adjacent digits along a double red Parity line, one digit is odd and the other digit is even.
Digits in cells joined by an X sum to 10. Digits in cells joined by a V sum to 5.
Digits in cells joined by a black dot are in a 2:1 ratio.
Not all Xs, Vs or dots are necessarily given.
Solve with SudokuPad
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Hope you enjoy it. Feel free to give feedback.
Thanks
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Solution code: Row 1 digits
on 9. July 2026, 05:16 by pagedo
Added symbols
on 30. April 2026, 16:44 by NeeBats
I had a very good time solving it. Thank you !
on 27. April 2026, 14:32 by Dr Logic
Very nice! Can we assume there will be a 'there exists' puzzle soon?
pagedo: @Dr Logic
Because there exists symbols, therefore plus.
on 27. April 2026, 11:37 by Ragna
Fun quick puzzle. Very nice design. Thank you. :-)
on 27. April 2026, 10:52 by luna_vale
Fun snack thanks!
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