SAT数学有关符号的词汇介绍

　　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。