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2. Infinity symbol - Wikipedia

   en.wikipedia.org/wiki/Infinity_symbol

   The infinity symbol (∞) is a mathematical symbol representing the concept of infinity.This symbol is also called a lemniscate, [1] after the lemniscate curves of a similar shape studied in algebraic geometry, [2] or "lazy eight", in the terminology of livestock branding.

3. Table of mathematical symbols by introduction date - Wikipedia

   en.wikipedia.org/wiki/Table_of_mathematical...

   infinity sign 1655 ... set inclusion signs (subset of, superset of) 1817 Joseph Gergonne: 1890 ... end of proof sign (a.k.a. tombstone) 1950 [5]

4. Aleph number - Wikipedia

   en.wikipedia.org/wiki/Aleph_number

   The aleph numbers differ from the infinity (∞) commonly found in algebra and calculus, in that the alephs measure the sizes of sets, while infinity is commonly defined either as an extreme limit of the real number line (applied to a function or sequence that "diverges to infinity" or "increases without bound"), or as an extreme point of the ...

5. Wrench - Wikipedia

   en.wikipedia.org/wiki/Wrench

   A set of metric spanners or wrenches, open at one end and box/ring at the other. These are commonly known as “combination” spanners. A wrench or spanner is a tool used to provide grip and mechanical advantage in applying torque to turn objects—usually rotary fasteners, such as nuts and bolts—or keep them from turning.

6. Costco egg recall: These eggs with a risk of salmonella could ...

   www.aol.com/costco-egg-recall-eggs-risk...

   Costco eggs recalled were given a recall of the highest level by the Food and Drug Administration for potential contamination with salmonella.

7. Alabama misses out on College Football Playoff bracket, fans ...

   www.aol.com/alabama-misses-college-football...

   No. 11 SMU is set to hit the road to play No. 6 Penn State. The college football world seemingly cheered as fans learned Alabama would miss the playoff. Alabama athletics director Greg Byrne made ...