lógica-difusa

The operators ==,===,!= e!= = can you consider "fuzzy logic"?

Doubt is simple and just out of curiosity, from a mathematical point of view, we have something like comparators by proportio ... to account mathematical logic only if we can consider as operators of Fuzzy Logic, that is, of equality based on proportion.

What is the difference between fuzzy logic and Boolean logic?

I was Reading about fuzzy logic and I realized that it has relations with Boolean logic. However, I was very confused at the ... relationship between them? we can use fuzzy logic in programming or it is restricted only for other fields of mathematics?