relational symbol for "the same strings"

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How to look up a symbol?

How to get the following relational symbol in the attached image? It's an altered equal-sign and is used by our tutor to denote "the same strings".

enter image description here

score 6 · Accepted Answer · answered May 17 '12 at 08:39

6

\bumpeq from the amssymb package.

answered May 17 '12 at 08:39

David Carlisle

1 Answers1