Origins of Boolean Algebra in the Logic of Classes: George Boole ...

• exposé - matière potentielle : about classes
• exposé - matière potentielle : within the ‘algebra
• exposé
• expression écrite
• cours - matière potentielle : the eighteenth century

Origins of Boolean Algebra in the Logic of Classes: George Boole, John Venn and C. S. Peirce Janet Heine Barnett∗ 27 January 2009 1 Introduction On virtually the same day in 1847, two major new works on logic were published by prominent British mathematicians. Augustus De Morgan (1806–1871) opened his Formal Logic with the following description of what is known today as ‘logical validity' [6, p. 1]: The first notion which a reader can form of Logic is by viewing it as the examination of that part of reasoning which depends upon the manner in which inferences are formed, and the investigation of general maxims and rules

• particular name
• symbolic law
• analogy of symbolic logic with arithmetical algebra as further justification
• analogy with algebra
• algebra
• laws
• classes
• law
• logic
• language