What does wa-antum taʿlamūna emphasize in Qur’an 2:22?

Wāw with Nominal Circumstantial Clauses: Omission, Inclusion and Disputed Cases

• It marks knowledge as unrelated to the prohibition
• The audience already possesses knowledge at the time of the prohibition
• It makes knowledge the answer to an explicit inna-condition
• It makes this an oath wāw followed by its answer