# Unknown math problem.

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• February 4th 2010, 11:53 AM
PJani
Unknown math problem.
Hy. It would sound stupid, but I am trying out to figure what this is, because i was missing in on some lectures and i dont have any good translation for this and now i am completely in dark.
$(a, b) = \{\{a\}, \{a, b\}\}$
$(a, b) = (c, d) \Longleftrightarrow a = c \wedge b = d$
• February 4th 2010, 12:32 PM
Drexel28
Quote:

Originally Posted by PJani
Hy. It would sound stupid, but I am trying out to figure what this is, because i was missing in on some lectures and i dont have any good translation for this and now i am completely in dark.
$(a, b) = \{\{a\}, \{a, b\}\}$
$(a, b) = (c, d) \Longleftrightarrow a = c \wedge b = d$

What's your question?
• February 4th 2010, 12:37 PM
PJani
Quote:

Originally Posted by Drexel28
What's your question?

Hehe question is what is the name of this thing in english.