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SAT数学题常用符号汇总.

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  SAT考试不仅考察考生的学术水平、学术能力与学术素质,同时还检测考生的学术态度。考生在参加SAT考试时,答错题目要扣分。下面澳际小编为大家具体介绍SAT数学题常用符号汇总,希望对大家有所帮助。

  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.

  以上便是SAT数学题常用符号汇总的相关介绍,非常详细,希望对大家有所帮助。想要了解更多关于SAT考试的信息,请拨打免费留学培训热线:400-601-0022,或者直接点击网页上的“在线咨询”,与我们的澳际培训专家一对一沟通交流!

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