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  2. Denying the antecedent - Wikipedia

    en.wikipedia.org/wiki/Denying_the_antecedent

    For example: If you are a ski instructor, then you have a job. You are not a ski instructor. Therefore, you have no job. [1] That argument is intentionally bad, but arguments of the same form can sometimes seem superficially convincing, as in the following example offered by Alan Turing in the article "Computing Machinery and Intelligence":

  3. Antecedent (grammar) - Wikipedia

    en.wikipedia.org/wiki/Antecedent_(grammar)

    In grammar, an antecedent is one or more words that establish the meaning of a pronoun or other pro-form. [1] For example, in the sentence "John arrived late because traffic held him up," the word "John" is the antecedent of the pronoun "him." Pro-forms usually follow their antecedents, but sometimes precede them.

  4. Affirming the consequent - Wikipedia

    en.wikipedia.org/wiki/Affirming_the_consequent

    It is not true, however, that a dark room implies the presence of a broken lamp. There may be no lamp (or any light source). The lamp may also be off. In other words, the consequent (a dark room) can have other antecedents (no lamp, off-lamp), and so can still be true even if the stated antecedent is not. [1]

  5. Modus ponens - Wikipedia

    en.wikipedia.org/wiki/Modus_ponens

    The second premise is an assertion that P, the antecedent of the conditional claim, is the case. From these two premises it can be logically concluded that Q, the consequent of the conditional claim, must be the case as well. An example of an argument that fits the form modus ponens: If today is Tuesday, then John will go to work. Today is Tuesday.

  6. Fallacy - Wikipedia

    en.wikipedia.org/wiki/Fallacy

    An example is a probabilistically valid instance of the formally invalid argument form of denying the antecedent or affirming the consequent. [ 12 ] Thus, "fallacious arguments usually have the deceptive appearance of being good arguments, [ 13 ] because for most fallacious instances of an argument form, a similar but non-fallacious instance ...

  7. Generic antecedent - Wikipedia

    en.wikipedia.org/wiki/Generic_antecedent

    Examples of accepted, disputed, and impossible constructions in English include: All people get hungry, so they eat. Acceptable (All people is plural.) All people get hungry, so she eats. Incorrect if all people is the intended antecedent of she (singular pronoun cannot have a plural antecedent.) Each one gets thirsty, so he drinks.

  8. Anaphora (linguistics) - Wikipedia

    en.wikipedia.org/wiki/Anaphora_(linguistics)

    In linguistics, anaphora (/ ə ˈ n æ f ər ə /) is the use of an expression whose interpretation depends upon another expression in context (its antecedent).In a narrower sense, anaphora is the use of an expression that depends specifically upon an antecedent expression and thus is contrasted with cataphora, which is the use of an expression that depends upon a postcedent expression.

  9. List of fallacies - Wikipedia

    en.wikipedia.org/wiki/List_of_fallacies

    Referential fallacy [45] – assuming that all words refer to existing things and that the meaning of words reside within the things they refer to, as opposed to words possibly referring to no real object (e.g.: Pegasus) or that the meaning comes from how they are used (e.g.: "nobody" was in the room).