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The conclusion is that either the first outcome or the second outcome will happen. The criticism with this form is that it does not give a definitive conclusion; just a statement of possibilities. [3] When it is written in argument form it looks like below. Either A or B If A then C If B then D Therefore either C or D
A statement form can be shown to be a logical truth by either (a) showing that it is a tautology or (b) by means of a proof procedure. The corresponding conditional of a valid argument is a necessary truth (true in all possible worlds) and so the conclusion necessarily follows from the premises, or follows of logical necessity. The conclusion ...
A rule of inference is a scheme of drawing conclusions that depends only on the logical form of the premises and the conclusion but not on their specific content. [39] [40] The most-discussed rule of inference is the modus ponens. It has the following form: p; if p then q; therefore q. This scheme is deductively valid no matter what p and q ...
Intermediate conclusions or sub-conclusions, where a claim is supported by another claim that is used in turn to support some further claim, i.e. the final conclusion or another intermediate conclusion: In the following diagram, statement 4 is an intermediate conclusion in that it is a conclusion in relation to statement 5 but is a premise in ...
A statement can be called valid, i.e. logical truth, in some systems of logic like in Modal logic if the statement is true in all interpretations. In Aristotelian logic statements are not valid per se. Validity refers to entire arguments. The same is true in propositional logic (statements can be true or false but not called valid or invalid).
This is to say that whether statements follow from one another logically depends on the structure or logical form of the statements without regard to the contents of that form. Syntactic accounts of logical consequence rely on schemes using inference rules. For instance, we can express the logical form of a valid argument as: All X are Y All Y ...
The five-paragraph essay is a form of essay having five paragraphs: one introductory paragraph, three body paragraphs with support and development, and; one concluding paragraph. The introduction serves to inform the reader of the basic premises, and then to state the author's thesis, or central idea.
A Commission, the U.S. Commission on National Security/21st Century (USCNS/21), will be established to fulfill this requirement, supported by a Study Group. Two individuals who have national recognition and significant depth of experience and public service will oversee the efforts of this Commission and serve as its Co-chairpersons.