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Mathemanic

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 6 years, 8 months
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  • Last seen Jun 16 '17 at 18:12

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21 Selection of logical connectives {¬,∨,∧,⇒,⇔} in set theory? Sep 7 '15
10 Shouldn't statements be considered equivalent based on their meaning rather than truth tables? Aug 27 '15
7 Is it true that (P∧Q≡P)⇔(Q≡⊤)? Sep 29 '15
6 The difference between argument, inference, deduction and proof? Aug 27 '15
6 Syllogistic Logic: Negation of a Categorical Proposition? Sep 28 '14
4 How do you negate an “at least” statement? May 28 '15
4 Prove ∀w(∀v((v=w∧φ(v))⇔φ(w))) Oct 19 '15
4 Subformulas of the WFF (∀x) ((∀y) ((x ∈ y) ∨ (y ∈ x ))) Sep 25 '15
3 Implication Introduction formulated as a theorem? Feb 2 '17
2 Prove a logical formula is equivalent to the contradiction if and only if the set it describes is empty Sep 1 '15
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