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周末 ,一位青年数学教师去访问一位老年同事 ,茶过两杯 ,话锋由天气转移到业务进修中的一个问题 .青年教师 : 许多文献讲解逻辑联结词“蕴涵”(代表“如果———那么”、“只要———就”、“假使———则”等等 )都引用真值表 :pqp→q假假真假真真真假假真真真 意思是 :当
On the weekend, a young mathematics teacher went to visit an elderly colleague and had two cups of tea. The frontier moved from the weather to a problem in business education. Young teachers: Many literatures explained the logical connection “implication” (representing “if--” Then “,” as long as - “On”, “If ------” and so on) all refer to the truth table: pqp → q false false true, false, true, false, true meaning really: when