Rules of Multiplication in the Parah Adumah

Rules of Multiplication in Parshat Chukat

פָרָה אֲדֻמָּה

(pos.) + and (neg.)  –

 

(pos. x neg. = neg.)

+ • – = –

(pos. x pos. = pos.)

+ • + = +

(neg. x neg. = pos.)

– • – = +

 

Why is it that the פָרָה אֲדֻמָּה can make an impure person pure, but it makes the pure Kohen impure?

A: You mix the cow’s ashes with water first (Kli Yakar).

Cow’s ashes (charge) Water (+ charge, the purifying agent) =

Mixture of ashes and water () Impure person () = + (purity!)

Mixture of ashes and water () Pure Kohen (+) = (impurity!) 

parah adumah multiplication

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