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SAT数学有关符号的词汇介绍
2021-06-07 16:37   作者:新航道   阅读量:

  词汇对于SAT数学考试的重要性不言而喻,下面小编给大家整理了关于符号的SAT数学词汇,希望对备考的同学有所帮助。

  因为SAT数学考试中的题目都是英文词汇,符号的英文表达同样很重要,大家一起看一下有关符号的SAT数学词汇吧。

  Logical Symbols A ? B means if A is true then B is also true; if A is false then nothing is said about B. → may mean the same as ? (the symbol may also indicate the domain and codomain of a function; see table of mathematical symbols).

  Logical Symbols

  A ?B means if A is true then B is also true; if A is false then nothing is said about B.

  → may mean the same as ? (the symbol may also indicate the domain and codomain of a function; see table of mathematical symbols).

  ? may mean the same as ? (the symbol may also mean superset).

  A? B means A is true if B is true and A is false if B is false.

  The statement ?A is true if and only if A is false.

  The statement A ∧ B is true if A and B are both true; else it is false.

  The statement A ∨ B is true if A or B (or both) are true; if both are false, the statement is false.

  ?x: P(x) means P(x) is true for all x.

  ?x: P(x) means there is at least one x such that P(x) is true.

  ?x: P(x) means there is exactly one x such that P(x) is true.

  x? y means y is derived from x.

  以上就是小编给大家整理的关于符号的SAT数学词汇,更多SAT干货敬请关注新航道SAT考试频道

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