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  2. Logic and rationality - Wikipedia

    en.wikipedia.org/wiki/Logic_and_rationality

    As the study of argument is of clear importance to the reasons that we hold things to be true, logic is of essential importance to rationality. Arguments may be logical if they are "conducted or assessed according to strict principles of validity", [1] while they are rational according to the broader requirement that they are based on reason and knowledge.

  3. Logical reasoning - Wikipedia

    en.wikipedia.org/wiki/Logical_reasoning

    In this regard, logical reasoning should be skeptical and open-minded at the same time. [120] On the practical level, logical reasoning concerns the issue of making rational and effective decisions. [114] [115] For many real-life decisions, various courses of action are available to the agent. For each possible action, there can be conflicting ...

  4. Logic - Wikipedia

    en.wikipedia.org/wiki/Logic

    For valid arguments, the logical structure of the premises and the conclusion follows a pattern called a rule of inference. [12] For example, modus ponens is a rule of inference according to which all arguments of the form "(1) p , (2) if p then q , (3) therefore q " are valid, independent of what the terms p and q stand for. [ 13 ]

  5. Logical grammar - Wikipedia

    en.wikipedia.org/wiki/Logical_grammar

    Logical, rational or general grammar was the dominant approach to language until it was supplanted by romanticism. [3] Since then, there have been attempts to revive logical grammar. The idea is today at least partially represented by categorial grammar , formal semantics , and transcendental phenomenology ,

  6. Argument - Wikipedia

    en.wikipedia.org/wiki/Argument

    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 ...

  7. Reason - Wikipedia

    en.wikipedia.org/wiki/Reason

    Reason is the capacity of consciously applying logic by drawing valid conclusions from new or existing information, with the aim of seeking the truth. [1] It is associated with such characteristically human activities as philosophy, religion, science, language, mathematics, and art, and is normally considered to be a distinguishing ability possessed by humans.

  8. Rationality - Wikipedia

    en.wikipedia.org/wiki/Rationality

    However, this usually ignores the human limitations of the mind. Given these limitations, various discrepancies may be necessary (and in this sense rational) to get the most useful results. [6] [12] [1] For example, the ideal rational norms of decision theory demand that the agent should always choose the option with the highest expected value ...

  9. List of cognitive biases - Wikipedia

    en.wikipedia.org/wiki/List_of_cognitive_biases

    Gerd Gigerenzer has criticized the framing of cognitive biases as errors in judgment, and favors interpreting them as arising from rational deviations from logical thought. [6] Explanations include information-processing rules (i.e., mental shortcuts), called heuristics, that the brain uses to produce decisions or judgments.