Index Last updated Aug 2, 2021 Save as PDF Back Matter Glossary Page ID80867 Dave Witte Morris & Joy MorrisUniversity of Lethbridge ( \newcommand{\kernel}{\mathrm{null}\,}\) A • C • D • I • N • O • P • R • T • U • VAassertions1.1: Assertions, Deductions, and Validity CCartesian product6.1: Cartesian Product commutative groups5.2: Abstract Algebra - Commutative Groups congruence modulo n5.1: Number Theory- Divisibility and Congruence Ddeductions1.1: Assertions, Deductions, and Validity Iirrational number5.1: Number Theory- Divisibility and Congruence Nnegation4.3: Negations Oordered pair6.1: Cartesian Product PPigeonhole Principle9.2: The Pigeonhole Principle Rrepunits9.2: The Pigeonhole Principle Ttautology1.6: Tautologies and contradictions Uuncountable sets9.6: Uncountable sets Vvacuous truth4.3: Negations validity1.1: Assertions, Deductions, and Validity