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　　对于备考SAT数学考试的同学来说，在记忆SAT数学词汇的同时也要关注一下SAT数学常用的符号，那么这些符号用英文怎么表示呢?我们该如何理解呢?下面一诺留学小编带大家来了解一下SAT数学题常用符号的全部内容有哪些吧!

　　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.

　　以上就是这些SAT数学题常用符号的全部内容，包括了大家在备考SAT数学考试中经常会用到的一些符号的英文表达的意思，一诺留学小编建议大家可以在备考SAT数学考试的过程中，适当的熟悉记忆一下这些符号和意思。

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