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充分必要条件指示词

1.introduce a sufficient condition: if/when/whenever/every/all/any/people who/in order to/to

2.introduce a necessary condition: then/only/only if/must/require/no,none(在句子开头)

3.unless equation: unless/except/until/without(其后面部分变成必要条件,其它加NOT变充分条件)

4.特例:the only way to achieve success is to work hard. achieve success(充分条件)

only a professional consultant can solve the organization’s problems. a professional consultant(必要条件)

no citizen can be denied the right to vote. denied the right to vote(充分条件). no citizen(必要条件)

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ding

"no citizen can be denied the right to vote. denied the right to vote(充分条件). no citizen(必要条件)"

??? 不懂。

I would say "citizen" is a sufficient condition for "right to vote".

TOP

以下是引用topway5在2004-11-14 19:49:00的发言:

ding

"no citizen can be denied the right to vote. denied the right to vote(充分条件). no citizen(必要条件)"

??? 不懂。

I would say "citizen" is a sufficient condition for "right to vote".

这句话确实有些问题,我也挺糊涂的。不管它啦。几个理论总结的还是蛮不错的呢
God helps those who help themselves!

TOP

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