there is no plural for logical since it is an adjective
The word thingy is used informally, so grammatical rules pursuant to its usage are rather poorly established, but I would say that the logical plural would be thingies.
The likely word is "premise" (the basis or logical point).* The plural noun premises can be used to mean the property one is on or in.
The noun 'reason' is a singular noun as a word for a cause, explanation, or justification for something; an argument or premise that supports a belief or conclusion.The plural noun is 'reasons'.The noun 'reason' is an uncountable (mass) noun as a word for the ability of the mind to think, understand, or form logical conclusions; common sense; sanity.
Warsaw,30.04.2008 Logical division Logical division is inverse logical operation - it is the inverse of the logical multiplication (logical AND). More on:www.logop.republika.pl J.Kaweckijkawecki@gazeta.pl
logical means which has strong meanings.
logical organization
logical verb definition
The IP protocol identifies both the logical host as well as the logical network addresses...........
He stated a logical argument. The logical thing to do is to hear her out. Sometimes people make emotional decisions that are not logical.
The exact opposite of logical is illogical.
History is not real, logical things are real, like if a dog is logical
Saying the "logical illogical" is equivalent to saying "logical magick". "Magick" is that which the logical mind considers impossible. "Logical" and "illogical" are both "polar opposites", and just two of the many ways of being, one of which is "logical illogical": order WITH chaos, and chaos WITH order. There is great beauty in mathematics based on imaginary numbers (logical illogical).