You can if you think that Syd Barrett was head and shoulders the best thing ever about Pink Floyd.
For me, there were odd highlights in the rest of their career, but I wouldn't swap you 'Bike' for all of their multi platinum albums put together.
Given that half of those you have posted are not debuts, I am guessing that you are either fishing, or have not read the question carefully.
I hope for your sake that neither of these are true and that you are completely unaware of the existence of Come On Pilgrim and Surfer Rosa. What a treat...
Rattlesnakes, No 1 Record, New Boots & Panties, Psychocandy, Life's A Riot, Neither Washington Nor Moscow, Crazy On The Weekend, George Best (Tommy doesn't count), 3 Feet High & Rising, Never Mind The Bollocks, Velvet Underground & Nico, Astral Weeks (Blowing Your Mind doesn't count), Piper At...