Navigating through reasoning and proof in grades 9-12 / 
Maurice J. Burke ... [et al.] ; Maurice J. Burke grades 9-12 editor. 
 - Reston, Va. :  National Council of Teachers of Mathematics,  c2008. 
 - 198 p. :  ill. (some col.) +  1 CD-ROM 
 - Principles and standards for school mathematics navigations series Navigations series / Peggy A. House series editor .
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>9780873536042 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Proof theory--Study and teaching (Secondary)--United States<br/>Logic, Symbolic and mathematical--Study and teaching (Secondary)--United States
<br/><br/><label>LC Class. No.: </label>QA 9.54  / N384