| 单词 | sheffer's stroke |
| 释义 | Sheffer's strokenounlogic a function of two sentences, equivalent to the negation of their conjunction, and written p | q (p and q are both not true) where p,q, are the arguments: p | q is false only when p,q are both true. It is possible to construct all truth functions out of this one alone Word Origin for Sheffer's strokenamed after H. M. Sheffer (1883–1964), US philosopher Words nearby Sheffer's strokesheet metal, sheet music, sheet pile, Sheetrock, sheet-web weaver, Sheffer's stroke, Sheffield, Sheffield Lake, Sheffield plate, Sheffield Shield, shegetz Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
| 随便看 |
英语词典包含192737条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。