A.雖然班長沒去開會(huì),但劉某去開會(huì)了B.班長和劉某沒有都去開會(huì)C.雖然劉某沒去開會(huì),但班長去開會(huì)了D.只要班長去開會(huì),劉某就去開會(huì)E.并非“班長不去開會(huì),劉某就不去開會(huì)”
A.無p必?zé)oqB.無q必?zé)opC.有p必有qD.有p必?zé)oqE.有p未必有q
A.偷換概念B.以比喻代定義C.自相矛盾D.模棱兩可E.同語反復(fù)