axiom of pairing

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Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)

7 of the World’s Deadliest Shipwrecks

Entrants falling and tumbling over while chasing the cheese at the 2016 'Cheese Rolling' held at Cooper's Hill, in the Cotswolds, Brockworth England

7 of the World’s Most Dangerous Festivals

Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,

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King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Rural Irish landscape, Sligo, Ireland.

Why Is Ireland Two Countries?

Titanic infographic. The 30th anniversary of its discovery is September 1, 2015. SPOTLIGHT VERSION.

Timeline of the Titanic’s Final Hours

July, 2006, Launch of Space Shuttle Discovery STS-121. See attached for full caption information.

Will Light-Speed Space Travel Ever Be Possible?

axiom of pairing

set theory

Also known as: pair axiom

Learn about this topic in these articles:

set theory

In set theory: Axioms for compounding sets
table—axiom of pairing, axiom of union, and axiom of power set—are of this sort.
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