Verify whether the following compound propositions are tautologies or contradictions or contingency (p→q)↔(¬p→q)

Verify whether the following compound propositions are tautologies or contradictions or contingency $(p \to q) \leftrightarrow (\neg p \to q)$

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

p	q	p→q	¬p	¬p→q	(p→q)↔(¬p→q)
T	T
T	F
F	T
F	F