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 70by John Venn - 1881 - 446 pagesFull view - About this book
| 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... | |
| 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... | |
| 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... | |
| 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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