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2. Mathematical Alphanumeric Symbols - Wikipedia

   en.wikipedia.org/wiki/Mathematical_Alphanumeric...

   Mathematical Alphanumeric Symbols is a Unicode block comprising styled forms of Latin and Greek letters and decimal digits that enable mathematicians to denote different notions with different letter styles.

3. Substitution (logic) - Wikipedia

   en.wikipedia.org/wiki/Substitution_(logic)

   The identity substitution, which maps every variable to itself, is the neutral element of substitution composition. A substitution σ is called idempotent if σσ = σ, and hence tσσ = tσ for every term t. When x i ≠t i for all i, the substitution { x 1 ↦ t 1, …, x k ↦ t k} is idempotent if and only if none of the variables x i ...

4. Sentence (mathematical logic) - Wikipedia

   en.wikipedia.org/wiki/Sentence_(mathematical_logic)

   For real numbers, this formula is true if we substitute (arbitrarily) =, but is false if = It is the presence of a free variable, rather than the inconstant truth value, that is important; for example, even for complex numbers, where the formula is always true, it is still not considered a sentence.

5. Aristocrat Cipher - Wikipedia

   en.wikipedia.org/wiki/Aristocrat_Cipher

   As depicted, the Caesar cipher uses a substitution method much like the Aristocrat, however, instead of inserting a keyword into the ciphertext, you shift the ciphertext by three to the left. Coined in 1929 by a group of friends, a part of the American Cryptogram Association (ACA), the Aristocrat Cipher's name was a play on words intended to ...

6. ‘F–ked up’ married substitute teacher paid students, plied ...

   www.aol.com/news/f-ked-married-substitute...

   A married Missouri substitute teacher is charged with offering money, booze and pot to students in exchange for sex — including with one boy she slept with on a gravel road, according to police.

7. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

8. College Football Playoff rankings reveal: did the CFP ...

   www.aol.com/sports/college-football-playoff...

   Following a wild conference championship game weekend, Dan Wetzel, Ross Dellenger and SI's Pat Forde hop on to discuss the outcome of the final College Football Playoff rankings.

9. Word problem (mathematics) - Wikipedia

   en.wikipedia.org/wiki/Word_problem_(mathematics)

   In computational mathematics, a word problem is the problem of deciding whether two given expressions are equivalent with respect to a set of rewriting identities. A prototypical example is the word problem for groups, but there are many other instances as well.