Monthly Archive: י״ט באדר א׳ תשע״א – February 22, 2011


Halakhah and Phenomenology – Symbolic Logic

This will only be of interest to people who care about Symbolic Logic and about the rules of birur, of resolution of doubt in halachic questions. But I found something I wrote back in 1994, and didn’t want to lose it, so I’m blogging it here. Hopefully I will have time to put up something of more general interest in...


A Quantum of Time

There are two halachic indivisible units of time. When it comes to interruption, or for defining a single statement (e.g. when correcting oneself in davening) the unit is tokh kedei dibbur — within the time it takes to say [“Shalom eilekha Rebbe uMori“], a greeting of 4 words consisting of 10 syllables. For calendrical calculations, the unit is the cheileq,...