 | Stuart Dodgson Collingwood - 1898 - Liczba stron: 494
...— Maggie [one of his sisters], and our nieces Nella and Violet, came to dinner. Dec. 19 (Sun.). — Sat up last night till 4 am, over a tempting problem, sent me from New York, " to find 3 equal rationalsided rt.-angled A'S." I found two, whose sides are 20, 21, 29; 12, 35, 37 ; but could... | |
 | 1900 - Liczba stron: 134
...Letters of Lewis Carroll, by SD COLLINGWOOD. (Fisher TJnwin, 1898.) — "Dec. 19th, 1897 (Sunday). Sat up last night till 4 am over a tempting problem...rationalsided right-angled triangles. I found two whose sides are 20, 21, 29 ; 12, 35, 37 ; but could not find three."— Prove that the missing triangle... | |
 | Edinburgh Mathematical Society - 1905 - Liczba stron: 332
...Life and Letters of Lewis Carroll occurs the following extract from his Diary : — "Dec. 19 (Sun).— Sat up last night till 4 am, over a tempting problem, sent me from New York, ' to find 3 equal rational-sided rt. -angled AV I found two, whose sides are 20, 21, 29 ; 12, 35, 37 ; but could... | |
 | Lewis Carroll, Edward Wakeling - 1995 - Liczba stron: 122
...mathematical problem from New York. Virtually the last entry in his diary, dated 19 December 1897, reads: "Sat up last night till 4 am, over a tempting problem, sent me from New York, ro find three equal rational -sided right-angles triangles. I found two, whnae sides are 20, 21, 29;... | |
 | Martin Gardner - 1998 - Liczba stron: 178
...to recreational mathematicians and word play enthusiasts. [21] On December 19, 1898, Carroll wrote: Sat up last night till 4 am, over a tempting problem,...rational-sided rightangled triangles'. I found two, whose sides are 20, 21, 29; 12, 35, 37; but could not find three. It turns out that there is an infinity... | |
 | Thomas Koshy - 2002 - Liczba stron: 748
...note in Carroll's diary, dated December 19, 1897, reads as follows: "Sat up last night till 4 pm [sic] over a tempting problem sent me from New York: to find three equal rational sided right triangles. I found two whose sides are 20, 21, 29 and 12, 35, 37 but could not... | |
 | Edinburgh Mathematical Society - 1906 - Liczba stron: 494
...and Letters of Lewis Carroll occurs the following extract from his Diary : — "Dec. 19 (Sun). — Sat up last night till 4 am, over a tempting problem, sent me from New York, ' to find 3 equal rational-sided rt.-angled AV I found two, whose sides are 20, 21, 29 ; 12, 35, 37 ; but could... | |
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Sat up last night till 4 am, over a tempting problem, sent me from New York, " to find 3 equal rationalsided rt.-angled A'S." I found two, whose sides are 20, 21, 29; 12, 35, 37 ; but could not find three. 