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17 hours ago · Intuitionistic logic is a restricted version of classical logic. It uses the same symbols but excludes some rules of inference. For example, according to the law of double negation elimination, if a sentence is not not true, then it is true. This means that follows from . This is a valid rule of inference in classical logic but it is invalid in ...
- Logical Reasoning
Definition. Logical reasoning is a form of thinking that is...
- Premise
A premise or premiss is a proposition—a true or false...
- Logic (Disambiguation)
Art, entertainment, and the media "Logic" (song), by...
- Modus Ponens
In propositional logic, modus ponens (/ ˈ m oʊ d ə s ˈ p oʊ...
- Logical Truth
Logical truth is one of the most fundamental concepts in...
- False Dilemma
Definition. A false dilemma is an informal fallacy based on...
- Argumentation Theory
Two men argue at a political protest in New York City....
- Informal Logic
Argument terminology used in logic. Informal logic...
- Logical Reasoning
17 hours ago · In ancient China, values for π included 3.1547 (around 1 AD), (100 AD, approximately 3.1623), and 142 / 45 (3rd century, approximately 3.1556). Around 265 AD, the Wei Kingdom mathematician Liu Hui created a polygon-based iterative algorithm and used it with a 3,072-sided polygon to obtain a value of π of 3.1416.
17 hours ago · Prospector was a proposed 330-kilogram (730 lb) robotic rover, similar to the two Soviet Lunokhod rovers, the Voyager Mars probes, and a scaled-up version of the Voyager interplanetary probes. Saturn V was also to have been the launch vehicle for the nuclear rocket stage RIFT test program and for some versions of the upcoming NERVA project. [86]
- $185 million in 1969–1971 dollars ($1.23 billion in 2019 value).
- 13 (Apollo: 12 Skylab: 1)
- 3
17 hours ago · Text Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the Government for a redress of grievances. The hand-written copy of the proposed articles of amendment passed by Congress in 1789, cropped to show just the text ...
17 hours ago · "The Found Boat" first read on the CBC programme Anthology 6 April 1974; in Something I’ve Been Meaning to Tell You, 1974, 125–137; in Role of Woman in Canadian Literature (1975), 70–81. "The Idyllic Summer" in Canadian Forum 34 (August 1954), 106–107, 109–110. "The Jack Randa Hotel" in The New Yorker, 19 July 1993, 62–70.
17 hours ago · This move escalates tensions with major trading partners, following a series of anti-subsidy and anti-dumping investigations into Chinese products by the European Union, including one initiated recently, and impending tariffs from Washington on Chinese new energy products.
17 hours ago · Flag Duration Use Description 1 July 1997 – present: Flag of Hong Kong: A white, five-petal Bauhinia blakeana on a red field with 1 star on each of the petals. The Chinese name of Bauhinia × blakeana has also been frequently shortened as 紫荊/紫荆 (洋 yáng means "foreign" in Chinese, and this would be deemed inappropriate by the PRC government), although 紫荊/紫荆 refers to ...
