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common sense is not a "form of logic"
Logic, and especially formal logic, inform the discipline of [[critical thinking]]--which, by no coincidence, takes its name from the [[Greek]] word for a judge. Indeed, judges and juries in courts of [[law]] must apply logic, both formal and informal, to arrive at their decisions. Formal logic will usually serve to state what obedience to a given body of law requires; informal logic must usually serve a trier of fact charged with deciding whether a given person was in obedience or in violation. The latter principle holds primarily because plaintiff and defendant in a court of law quite often ''do not'' agree on matters of fact.
Logic, and especially formal logic, inform the discipline of [[critical thinking]]--which, by no coincidence, takes its name from the [[Greek]] word for a judge. Indeed, judges and juries in courts of [[law]] must apply logic, both formal and informal, to arrive at their decisions. Formal logic will usually serve to state what obedience to a given body of law requires; informal logic must usually serve a trier of fact charged with deciding whether a given person was in obedience or in violation. The latter principle holds primarily because plaintiff and defendant in a court of law quite often ''do not'' agree on matters of fact.
==Logic and common sense==
Informal logic consists of "common sense" and other, rather loose rules that people employ while making most decisions and even in debate. It is unstructured, and depends largely on one's view of "the reasonable"--which in turn is that body of facts that one ''reasonably'' expects to exist. Informal logic also includes ''inductive'' reasoning. The thresholds of what is "reasonable" and what is not, are inexact and subject to change with the receipt of sufficient contrary evidence--and again, what constitutes "sufficiency" in this context might vary from person to person. Most [[logical fallacies]] are failures in informal logic.
== See Also ==
== See Also ==