Current location - Training Enrollment Network - Mathematics courses - What are Bi and inverted a operators?
What are Bi and inverted a operators?
It's an inverted e, which means existence.

Inverted a means arbitrary, arbitrary.

These two symbols come from discrete mathematics.

such as

Bi R，R & gt0

Can be understood as:

There is r, so r is greater than 0.

Related articles
  • Is there linear algebra in high school mathematics?
  • Teacher Wang is in the math activity class.
  • The highest score of Anhui college entrance examination in 2023
  • What are stephen william hawking's main works?
  • How to Cultivate the Habit of Mathematical Reflection of Senior Pupils
  • A painting suitable for the fourth grade
  • What is the total score of Fujian senior high school entrance examination this year?
  • Traditional products
  • Reflections on the teaching of mathematics observation objects in the fifth grade of primary school?

    Observing Objects is a difficult course in the fifth grade of primary school mathematics. So

  • Is it difficult to correct the second volume of the new curriculum standard in 2023?

    • copyright 2024 Training Enrollment Network All rights reserved