There exists two types of programming 1. This style has been employed, with many variations, since the very first computers.
Emphasis is line by line instructions, loops and linearity.
I need a book on German history 2a. It must be during the period between the two wars. The computer should be able to find works on German history dealing with the Weimar republic, etc. It arrives at its answer by applying logical deductions to the description. Prolog will look like Greek.