Question

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Answer 1

Conjunction: They smiled and laughed (they did both things)
Disjunction: They either smiled or laughed (one or other)

Graph would be a Venn diagram with 2 circles. Where they overlap is a conjunction, the rest of the area covered by both circles are your disjunctions, outside the circles and inside the bounding square is the rest of language!

Interval notation: conjunction<disjunction<language
Source:
http://en.wikipedia.org/wiki/Conjunction_(grammar)
http://en.wikipedia.org/wiki/Disjunction_(logic)
http://zonalandeducation.com/mmts/miscellaneousMath/intervalNotation/intervalNotation.html

Answer 2

Rewrite!
How about sugar or cream with coffee?


conjunction = sugar and cream =
\[Sugar \cup Cream\]

disjunction - sugar or cream =
\[Sugar \cap Cream\]

Answer 3

methinks that's right - what are some other options it could be though, just for fun?

Answer 4

shaken or stirred - then the conjunction is zero ^_^

Answer 5

salt or pepper

Answer 6

sweet and sour?

Answer 7

conjunction pork

Answer 8

or tofu preferably...