# Start a new discussion

## Not signed in

Want to take part in these discussions? Sign in if you have an account, or apply for one below

## Discussion Tag Cloud

Vanilla 1.1.10 is a product of Lussumo. More Information: Documentation, Community Support.

• CommentRowNumber1.
• CommentAuthorUlrik
• CommentTimeMay 27th 2017

I’ve created the entry Ehrenfeucht-Fraïssé games and recorded the basic definitions and results (partly inspired by jesse’s efforts to add some model theory content to the nlab). I’m running out of steam now, but we should also mention the connections to quantifier elimination and Scott rank. (I’ve added a redirect from back-and-forth argument which was requested at quantifier elimination.)

• CommentRowNumber2.
• CommentAuthorjesse
• CommentTimeMay 27th 2017

This looks great. Thanks, Ulrik!

Eigil Rischel

• CommentRowNumber4.
• CommentAuthorUrs
• CommentTimeJul 14th 2021
• (edited Jul 14th 2021)

changed

to structures are elementary equivalent.

to

  two [[structures in model theory|structures]] are [[elementary equivalence|elementary equivalent]].