cuvjumske lujvo

s1=j1=c1 is bacteriology of bacteria s2 based on methodology s3.

Bacteriology is the study of bacteria. Because of the similarity of thinking and working with microorganisms other than bacteria, there has been a tendency for the field of bacteriology to extend as microbiology (=jumske). Bacteriology can be classified as a distinct science.

In notes:

x1=s1 (mass of facts) is microbiology studying microorganisms x2=j1 based on methodology x3