that argument is not valid

  • 71metalogic — /met euh loj ik/, n. the logical analysis of the fundamental concepts of logic. [1835 45; META + LOGIC] * * * Study of the syntax and the semantics of formal languages and formal systems. It is related to, but does not include, the formal… …

    Universalium

  • 72Sacraments — • Presents the necessity, the nature, the origin and cause, the number, the effects, the minister, and the recipient of the Sacraments Catholic Encyclopedia. Kevin Knight. 2006. Sacraments     Sacraments …

    Catholic encyclopedia

  • 73PUBLIC AUTHORITY — PUBLIC AUTHORITY, in the context of this article, a term referring to an authoritative body composed of representatives of the public – whether appointed or elected by the latter – and entrusted with the duty and power to arrange various matters… …

    Encyclopedia of Judaism

  • 74Natural deduction — In logic and proof theory, natural deduction is a kind of proof calculus in which logical reasoning is expressed by inference rules closely related to the natural way of reasoning. This contrasts with the axiomatic systems which instead use… …

    Wikipedia

  • 75Roe v. Wade — SCOTUSCase Litigants=Roe v. Wade ArgueDate=December 9 ArgueYear=1971 ReargueDate=October 11 ReargueYear=1972 DecideDate=January 22 DecideYear=1973 FullName=Jane Roe, et al. v. Henry Wade, District Attorney of Dallas County Citation=93 S. Ct. 705; …

    Wikipedia

  • 76Cayley–Hamilton theorem — In linear algebra, the Cayley–Hamilton theorem (named after the mathematicians Arthur Cayley and William Hamilton) states that every square matrix over the real or complex field satisfies its own characteristic equation.More precisely; if A is… …

    Wikipedia

  • 77Critique of Pure Reason — Part of a series on Immanuel …

    Wikipedia

  • 78Character mask — Part of a series on Marxism …

    Wikipedia

  • 79Slippery slope — In debate or rhetoric, the slippery slope is one of the classical informal fallacies. It suggests that an action will initiate a chain of events culminating in an undesirable event later without establishing or quantifying the relevant… …

    Wikipedia

  • 80Nyaya — Part of a series on Hindu philosophy …

    Wikipedia