1凡是金子都閃光,這是金子,所以閃光.
all gold are flash things,all of these things are gold,so all of these things are flash things.
2有些詩人是預(yù)言家,有些藝術(shù)家不是預(yù)言家,所以有些藝術(shù)家不是詩人Some poets are seers.
Some artists are not seers.
So some artists are not poets
4凡是金子都閃光,這東西閃光,所以是金子
all gold are flash things,all of these things are flash things,so all of these things are gold.
5凡是金子都閃光,這是金子,所以閃光.(這些東西不是金子）
all gold are flash things,all of these things are gold,so all of these things are flash things.
6多數(shù)金子閃光,這是金子,所以閃光.
some gold are flash things,all of these things are gold,so all of these things are flash things.
7所有的詩人都是預(yù)言家,所有的藝術(shù)家都是詩人,所以所有的藝術(shù)家都是預(yù)言家
All poets are seers.
All artists are poets.
So all artists are seers.
8多數(shù)金子閃光,這是金子,所以不閃光.
some gold are flash things,all of these things are gold,so none of these things are flash things.
上面這位的第3和5都違反了中項(xiàng)少周延一次的規(guī)則,所以論證不成立.我的英語水平實(shí)在有限,所以第3個(gè)我實(shí)在想不來了.