Ochre, vermilion, and teal watercolor circles joined by fine paths, evoking a Tree of Life and a network of beliefs, with Hebrew letters woven into the map.
YUDDISHיודיש
THE YUDDISH LANGUAGE

A language for
changing your mind.

Yuddish is a constructed language inspired by Eliezer Yudkowsky, Bayesianism, and LessWrong, built from Yiddish vocabulary.

In Yuddish, when you say something is true, you also say how sure you are and why you believe it. You put a number on your confidence and say whether you saw it yourself, heard it from someone else, or worked it out. Questions, wishes, and commands have their own grammar, too.

נעם דאָס קעסטל האָט אַ דיאַמאַנט.
װינטש זאָל איך גלײבן ציט [דאָס קעסטל האָט אַ דיאַמאַנט] אױס. אױס.
נעם דאָס קעסטל האָט קײן דיאַמאַנט.
װינטש זאָל איך גלײבן ציט [דאָס קעסטל האָט קײן דיאַמאַנט] אױס. אױס.
װינטש זאָל איך זיך ניט צו גלײבונגען צוקלעפּן װאָס איך אפשר ניט װיל האָבן.

Nem dos kestl hot a diamant.
Vintsh zol ikh gleybn tsit [dos kestl hot a diamant] oys. Oys.
Nem dos kestl hot keyn diamant.
Vintsh zol ikh gleybn tsit [dos kestl hot keyn diamant] oys. Oys.
Vintsh zol ikh zikh nit tsu gleybungen tsuklepn vos ikh efsher nit vil hobn.

The Litany of Tarski