ὅθεν καταλαμβάνουσίν τε καὶ καταλαμβάνονται κατὰ ταὐτὰ ὑπ᾽ ἀλλήλων ὑπ᾽ ἀλλήλων
does it mean at the same time or place? in LS there is only kata to auto.
[38d not 39d] More like in the same ways, identically. κατα ταὐτά with καταλαμβάνουσίν τε καὶ καταλαμβάνονται, stressing the reciprocality of active and passive. LSJ κατά B.IV or IV.2. Cf. Newton’s For every action there is an equal and opposite reaction.