laws of thought

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Spiral Galaxy type Sa-Sb or Sa/Sb in the constellation Virgo. The majestic Sombrero Galaxy Messier 104 (M104) or NGC 4594. The team took six pictures of the galaxy, stitched them together to create the final composite image. Photo from May-June 2003

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Submerged sperm whale off east Sri Lanka coast, mammal

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Figure 13: A Maxim machine gun, belt-fed and water-cooled, operated by German infantrymen, World War I.

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Flags of the countries of the world (flagpoles).

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

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Ice Sledge Hockey, Hockey Canada Cup, USA (left) vs Canada, 2009. UBC Thunderbird Arena, Vancouver, BC, competition site for Olympic ice hockey and Paralympic ice sledge hockey. Vancouver 2010 Olympic and Paralympic Winter Games, Vancouver Olympics

10 Best Hockey Players of All Time

Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)

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law of contradiction law of excluded middle principle of identity logic predication law of nature history of logic formal logic applied logic metalogic philosophy of logic fuzzy logic predicate calculus ancient logic