A seafood restaurant has $3,500 to spend on crab and lobster. The restaurant needs to make a profit of at least $1,900 on the order
The possible combinations of crab and lobster for this order are given by the inequalities where c represents the number of pounds of crab and I represents
the number of pounds of lobster.

The symbol , from the latin "vel", which means "or", is indeed the logical "or" operator.

This operator puts together two statements A and B, and is true whenever at least one between A and B is true.

So, in this case, is true whenever either p is true, or q is true, or both are true.

So, every number which is less than -3 or more than 3 makes true.

Mathematically, this is the same as claiming that