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.
If there are no statements that the arguer and audience can both. agree on, or at the very least accept for the sake of argument, then there is no way that the. theorist can further his argument in the axiomatic method. In math, axioms are generally basic statements about the elements of a system.