- #1

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Dear All:

What's the meaning of a equal sign with a triangle over it please?

Thanks in advance

What's the meaning of a equal sign with a triangle over it please?

Thanks in advance

- Thread starter Asuralm
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- #1

- 35

- 0

Dear All:

What's the meaning of a equal sign with a triangle over it please?

Thanks in advance

What's the meaning of a equal sign with a triangle over it please?

Thanks in advance

- #2

HallsofIvy

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http://en.wikipedia.org/wiki/Table_of_mathematical_symbols

(down near the bottom of the page) it means "is defined as" or "is equal by definition".

After seeing that definition, my reaction was, "Oh, yes, of course, I've seen that before".

Different authors use different symbols for that.

- #3

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Dear All

what is the meaning of these symbols =,<>,!=,>,<,!<,<=,!>

what is the meaning of these symbols =,<>,!=,>,<,!<,<=,!>

- #4

HallsofIvy

Science Advisor

Homework Helper

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> means "is greater than"

< means "is less than"

<> means "is either less than or greater than" or simply "is not equal to"

! is a commonly used to mean "not"

!= means "is not equal to"

!> means "is not greater than"

!< means "is not less than"

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