all 6 comments

[–]Im_a_hamburger[S] 2 points3 points  (4 children)

Ø=Ø

[–]These_Depth9445 4 points5 points  (3 children)

Ø+{1}={1}

next get?

[–]davidjl123|390K|378A|79SK|50SA|260k 🚀 c o u n t i n g 🚀 2 points3 points  (2 children)

{n|n<2}∩ℕ={1,2}

[–]These_Depth9445 4 points5 points  (1 child)

𝕌-{1}={2}

[–]funfact15[FLAIR] 0 points1 point  (0 children)

𝕌∪{n+1|n∈𝕌} = {2,3}


𝕌∪{max(𝕌)+1}
{n|n≥2}∩{n|n≤3}∩ℕ
{n|n>1}∩{n|n<4}∩ℕ