Set Expression " (double) vs ' (single)

[cristian_av]

Hi

I wonder what is the difference between this two expression, that are part of a set expression:

tpcc_nombre={"Costo Variable"} vs tpcc_nombre={'Costo Variable'}

Is this the same?

Thanks!

[sunny_talwar · Accepted solution]

You can read about them here:

A Primer on Set Analysis‌

[cristian_av]

Thanks!