tla+

Ideas for a TLA+ project

Please give me some suggestions regarding a project topic in the TLA+ language. I'm taking a course on the language, it's the first year I'm learning about specification and verification and I have no clue what to choose to implement in two weeks time. Any ideas? ...

How can I assign sequences to constants in the CONSTANTS section of a TLA+ configuration file?

I've tried CONSTANTS seq = <<5,6,7>> but TLC gives me a syntax error: Error: TLC found an error in the configuration file at line 1. It was expecting = or <- and didn't find it. I've also tried to include the Sequences module in the configuration file, to no avail. So... what do I have to do to assign a sequence? ...