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2. Clever Hans - Wikipedia

   en.wikipedia.org/wiki/Clever_Hans

   Clever Hans (German: der Kluge Hans; c. 1895 – c. 1916) was a horse that was claimed to have performed arithmetic and other intellectual tasks. After a formal investigation in 1907, psychologist Oskar Pfungst demonstrated that the horse was not actually performing these mental tasks, but was watching the reactions of his trainer.

3. Oskar Pfungst - Wikipedia

   en.wikipedia.org/wiki/Oskar_Pfungst

   Oskar Pfungst. Oskar Pfungst (21 April 1874 – 14 August 1932) was a German comparative biologist and psychologist. While working as a volunteer assistant in the laboratory of Carl Stumpf in Berlin, Pfungst was asked to investigate the horse known as Clever Hans, who could apparently solve a wide array of arithmetic problems set to it by its ...

4. Number sense in animals - Wikipedia

   en.wikipedia.org/wiki/Number_sense_in_animals

   v. t. e. Number sense in animals is the ability of creatures to represent and discriminate quantities of relative sizes by number sense. It has been observed in various species, from fish to primates. Animals are believed to have an approximate number system, the same system for number representation demonstrated by humans, which is more ...

5. Ada Lovelace - Wikipedia

   en.wikipedia.org/wiki/Ada_Lovelace

   Ada Lovelace. Augusta Ada King, Countess of Lovelace (née Byron; 10 December 1815 – 27 November 1852), also known as Ada Lovelace, was an English mathematician and writer chiefly known for her work on Charles Babbage 's proposed mechanical general-purpose computer, the Analytical Engine. She was the first to recognise that the machine had ...

6. Induction puzzles - Wikipedia

   en.wikipedia.org/wiki/Induction_puzzles

   Induction puzzles are logic puzzles, which are examples of multi-agent reasoning, where the solution evolves along with the principle of induction. [1][2] A puzzle's scenario always involves multiple players with the same reasoning capability, who go through the same reasoning steps. According to the principle of induction, a solution to the ...

7. Chisanbop - Wikipedia

   en.wikipedia.org/wiki/Chisanbop

   Chisanbop or chisenbop (from Korean chi (ji) finger + sanpŏp (sanbeop) calculation [1] 지산법/指算法), sometimes called Fingermath, [2] is a finger counting method used to perform basic mathematical operations. According to The Complete Book of Chisanbop[3] by Hang Young Pai, chisanbop was created in the 1940s in Korea by Sung Jin Pai ...