Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

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Topic review (newest first)

johnnie to lazy 2 login
2013-05-23 05:27:21

Please explain what "" is?

mrpace
2013-05-21 09:38:25

Consider the following situation, where P is a two-place predicate:
Universe = a, b
P-list
Paa
Pbb
Calculate the truth value of ›Ex(VœyPxy v VœyPyx) in this situation.

please note there should be a line under P-list
also note, E=there exists
V=for all
v=or

any help is welcomed, thanks.

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