The husk and stray are counted as sub-variants of existing mobs as opposed to entirely new mobs, hence why you are unable to simply type /summon Stray or /summon Husk. There was supposed to be spawn eggs for them, but it seems they were removed either intentionally or by accident in the final release.
Axiomatic method, in logic, a procedure by which an entire system (e.g., a science) is generated in accordance with specified rules by logical deduction from certain basic propositions (axioms or postulates), which in turn are constructed from a few terms taken as primitive.
The five axioms of communication (Watzlawick) â with a few cultural notes. By Peter Muijres â Culture Class (.org) Communication is an ever present feature of human interaction. The five axioms of communication, formulated by Paul Watzlawick and his colleagues help to describe the processes of communication that take place during interaction and help to explain how a misunderstanding may come about. A few notes are added to tune the axioms better into a transcultural context.