TY - BOOK AU - Burke, Maurice Joseph TI - Navigating through reasoning and proof in grades 9-12 T2 - Principles and standards for school mathematics navigations series SN - 9780873536042 AV - QA 9.54 N384 PY - 2008/// CY - Reston, Va. PB - National Council of Teachers of Mathematics KW - Proof theory KW - Study and teaching (Secondary) KW - United States KW - Logic, Symbolic and mathematical N1 - Includes bibliographical references ER -