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Logic is inquiry given a theoretical formulation ;
logical theory is the comprehensive theory of how people solve problems through conducting inquiries.
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The process of inquiry involves the following stages :
1.the indeterminate situation,
a case of disturbed equilibrium between an organism and its environment ;
2.the institution of a problem,
the change of a situation from indeterminate to problematic as a result of the active interest of an inquirer ;
3.the setting up of a hypothesis,an anticipation of the consequences of certain operations ;
4.the deductive elaboration of the hypothesis,together with experimental testing ; and
5.the determination of inquiry,the establishment of a settled outcome ;
the situation has become determinate.
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Universal propositions which have existential import
-which are about existing things-
differ from those which do not have such import,
but the difference is factual,not formal.
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Since propositions are instruments used in the process of inquiry,
it is proper to characterize them as effective or ineffective,
rather than as true or false.
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