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

You are not logged in.

- Topics: Active | Unanswered

Pages: **1**

**reallylongnickname****Member**- Registered: 2011-03-30
- Posts: 50

This is Boolean rule#11. (It is not complete I know). My Q is, how did the

develop in the equation in line 4?rule #10 A = A + AB

rule # 7 A = AA

Offline

**muxdemux****Member**- Registered: 2012-12-23
- Posts: 80

I don't think they got it from line 3. With or without that term, the statement is the same:

This is because

*Last edited by muxdemux (2013-01-20 16:26:40)*

Offline

**John E. Franklin****Member**- Registered: 2005-08-29
- Posts: 3,564

Venn diagrams are circular usually and Karnaugh maps are gridlike square-ish, but they are both one and the same except that the

Karnaugh map encloses the zero zero zero case in a box, whereas a venn diagram puts the zero zer zero case outside all the circles and does not

put a circle around it, though you could circle everything and that would make them more similar.

**igloo** **myrtilles** **fourmis**

Offline

Pages: **1**