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Example 3 In Catch-22 , [ 8 ] the chaplain is interrogated for supposedly being "Washington Irving"/"Irving Washington", who has been blocking out large portions of soldiers' letters home. The colonel has found such a letter, but with the chaplain's name signed.
Logical consequence is necessary and formal, by way of examples that explain with formal proof and models of interpretation. [1] A sentence is said to be a logical consequence of a set of sentences, for a given language , if and only if , using only logic (i.e., without regard to any personal interpretations of the sentences) the sentence must ...
Tautological consequence can also be defined as ∧ ∧ ... ∧ → is a substitution instance of a tautology, with the same effect. [2]It follows from the definition that if a proposition p is a contradiction then p tautologically implies every proposition, because there is no truth valuation that causes p to be true and so the definition of tautological implication is trivially satisfied.
[dubious – discuss] For example, almost all environmental problems, from chemical pollution to global warming, are the unexpected consequences of the application of modern technologies. Traffic congestion , deaths and injuries from car accidents, air pollution , and global warming are unintended consequences of the invention and large scale ...
Appeal to consequences, also known as argumentum ad consequentiam (Latin for "argument to the consequence"), is an argument that concludes a hypothesis (typically a belief) to be either true or false based on whether the premise leads to desirable or undesirable consequences. [1]
In some common fixed expressions or in old-fashioned or formal contexts, the present subjunctive is occasionally found. For example:If need be, we'll rent a car. see use of the present subjunctive), and the consequence using the future construction with will (or shall): If you make a mistake, someone will let you know.
The White House said the president wants to end a carried interest tax break prized by Wall Street hedge funds and private equity firms.
Thus first-order logical consequence is semidecidable: it is possible to make an effective enumeration of all pairs of sentences (φ,ψ) such that ψ is a logical consequence of φ. Unlike propositional logic , first-order logic is undecidable (although semidecidable), provided that the language has at least one predicate of arity at least 2 ...