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  2. Order of operations - Wikipedia

    en.wikipedia.org/wiki/Order_of_operations

    [2] [3] Thus, in the expression 1 + 2 × 3, the multiplication is performed before addition, and the expression has the value 1 + (2 × 3) = 7, and not (1 + 2) × 3 = 9. When exponents were introduced in the 16th and 17th centuries, they were given precedence over both addition and multiplication and placed as a superscript to the right of ...

  3. One-drop rule - Wikipedia

    en.wikipedia.org/wiki/One-drop_rule

    The one-drop rule was a legal principle of racial classification that was prominent in the 20th-century United States. It asserted that any person with even one ancestor of African ancestry ("one drop" of "black blood") [ 1 ] [ 2 ] is considered black ( Negro or colored in historical terms).

  4. Rule of seven - Wikipedia

    en.wikipedia.org/wiki/Rule_of_seven

    Rule of seven may refer to "The Magical Number Seven, Plus or Minus Two", a highly cited paper in psychology; The "half-your-age-plus-seven" rule; Rule of sevens, establishing age brackets for determining capacity to give informed assent or to commit crimes or torts

  5. Ellipsis - Wikipedia

    en.wikipedia.org/wiki/Ellipsis

    The stylebook indicates that if the shortened sentence before the mark can stand as a sentence, it should do so, with an ellipsis placed after the period or other ending punctuation. When material is omitted at the end of a paragraph and also immediately following it, an ellipsis goes both at the end of that paragraph and at the beginning of ...

  6. Post hoc ergo propter hoc - Wikipedia

    en.wikipedia.org/wiki/Post_hoc_ergo_propter_hoc

    Post hoc ergo propter hoc (Latin: 'after this, therefore because of this') is an informal fallacy that states "Since event Y followed event X, event Y must have been caused by event X." It is a fallacy in which an event is presumed to have been caused by a closely preceding event merely on the grounds of temporal succession.

  7. Grandfather clause - Wikipedia

    en.wikipedia.org/wiki/Grandfather_clause

    The intent and effect of such rules was to prevent former African-American slaves and their descendants from voting but without denying poor and illiterate whites the right to vote. [1] Although these original grandfather clauses were eventually ruled unconstitutional, the terms grandfather clause and grandfather have been adapted to other uses.

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    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Statutory interpretation - Wikipedia

    en.wikipedia.org/wiki/Statutory_interpretation

    As opposed to the plain meaning rule, the technical meaning rule applies the specific context and rules of grammar that are applied if the term is well defined and understood in an industry setting. To determine if there is a technical meaning, judges will look at whether the surrounding words are technical, and whether the act was directed to ...