Math Is Fun Forum

  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

You are not logged in.

Pages: 1

#1 Help Me ! » a easy problem about set axiom » 2013-03-14 20:13:21

lenohard
Replies: 0

are there two sets A and B which satisfacting A={A,B} according to the set axiom 1to5.

Pages: 1

Board footer

Powered by FluxBB