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Books Books 1 - 4 of 4 on Tr"1 is defined. Thus it is the office of the inverse symbol to propose a question,....
" Tr"1 is defined. Thus it is the office of the inverse symbol to propose a question, not to describe an operation. It is, in its primary meaning, interrogative, not directive. Suppose the given equation to be Then on the above principle of notation we... "
Symbolic Logic - Page 70
by John Venn - 1881 - 446 pages
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A treatise on differential equations

George Boole - 1859
...the equation iru = v or TTTT^V — v. By the latter equation the inverse symbol Tr"1 is defined. Thus it is the office of the inverse symbol to propose...It is, in its primary meaning, interrogative, not directive. Suppose the given equation to be Then on the above principle of notation we should have...
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A Treatise on Differential Equations, Volume 1

George Boole - Differential equations - 1865 - 494 pages
...the equation ITU — v or ir-rflv = v. By the latter equation the inverse symbol if1 is defined. Thus it is the office of the inverse symbol to propose...It is, in its primary meaning, interrogative, not directive. Suppose the given equation to be Then on the above principle of notation we should have...
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A Treatise on Differential Equations

George Boole - Differential equations - 1865 - 496 pages
...the equation TTU = v or ir-jr~lv = v. By the latter equation the inverse symbol ir~l is defined. Thus it is the office of the inverse symbol to propose...It is, in its primary meaning, interrogative, not directive. Suppose the given equation to be Then on the above principle of notation we should have...
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Symbolic Logic

John Venn - Mathematics - 2006 - 540 pages
...to be obtained. It does not even assure us that there is any known method of obtaining it. The rule says in effect: Find something, which, when operated...office of the inverse symbol to propose a question, 1 Even where both processes are by continued approximation. There definite, one of them may be much...
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