221 followers Roger Joseph Witte @roger_witte @HigherGeometer Mendelson's NBG axioms do this https://t.co/ny8dpQfStC 22 Nov 2021 Reply Repost Favourite
952 followers がくし @gaxiiiiiiiiiiii 洋書。 Introduction to Mathematical Logic https://t.co/VJI7rJvdEv 17 Aug 2020 Reply Repost Favourite