Bruno,
When I tried to copy the symbols from the URL cited below, I
found that my email server was not able to reproproduce the intersection or the
union symbol. See below:
From: Bruno Marchal
To: everything-list@googlegroups.com
∅ ∪ A = I see two rectangles and "A"
∅ ∪ B = I see two rectangles and "B"
A ∪ ∅ = I see "A" and two rectangles
B ∪ ∅ = I see "B" and two rectangles
N ∩ ∅ = I see "N" Inverted "U" and a rectangle
B ∩ ∅ = I see "B" Inverted "U" and a rectangle
∅ ∩ B = I see a rectangle an inverted "U" and "B"
∅ ∩ ∅ = I see a rectangle an inverted "U" and a rectangle
∅ ∪ ∅ = I see three rectangles
----- Original Message -----
From: Bruno Marchal
You could look on the archive, from here,
http://www.mail-archive.com/everything-list@googlegroups.com/msg16531.html
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