Gemara:

Zevachim 

Halacha:

Taarovos 

Collections: Rabbi Meth Mini Chabura

References: Zevachim: 70b ,  Zevachim: 71b ,  Zevachim: 74b ,  Zevachim: 75b  

Description

The definition of 'mixture' depends on proximity where berachos are concerned, and on similarity where bittul is concerned.