The other commenter gave you the right answer already. But I meant ‘in practice’ literally, as in, if the sexuality of someone matters to decide your course of action, like flirting with them or introducing a friend, they basically mean the same.

Now if you wanted to get technical, pansexual people are technically bisexual (?). Pansexuality would be a special case of bisexuality in which the attraction is equal across the entire gender spectrum.

But as rarWars said it’s hard to put identity into strict rigid definitions. If you think it too hard this model means that every sexuality is just a special case of bisexuality as well, ace is a special case of pan…