Black locust (Robinia pseudoacacia L.) is one of the most widespread tree species introduced into Europe and also Hungary. It covers 24% total Hungarian forest area, providing 25% annual timber output country. Due to demands consumers, new cultivars are be produced by means improvement techniques practical forestry use. Mono- multiclonal were developed, then variety comparison trials cultivatio...

This material is studying MV-algebras and BL-algebras in terms of applicability in Boole algebra. Boole algebras are expanded use in fuzzy logic.