10 ENGLISH BOOKS RELATING TO «OBVERSION»
Discover the use of
obversion in the following bibliographical selection. Books relating to
obversion and brief extracts from same to provide context of its use in English literature.
13 Obversion 13A DEFINITIONS Def. 1. Obversion of a standard categorical
proposition is an immediate inference in which the conclusion differs from the
premiss only in quality and in having as predicate the contradictory of the
predicate of ...
William Thomas Parry, Edward A. Hacker,
1991
Conversion, contraposition, obversion, and are three rules of "immediate
inference." They are called "immediate inferences" because only one premise is
involved. The typical use of each of these rules transforms the sentence it is
applied to ...
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.
Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken,
2010
4
Critical Thinking: Step by Step
Obversion is first changing the quality of a statement and then replacing the
predicate with its complement. It is valid for all 10 forms. For example, if "No F's
are G's" is true, then "All F's are non G's" must be true and vice versa. Note that
both the ...
5
Studies and exercises in formal logic: including a ...
(1) All S is P, therefore (by conversion), Some P is S, therefore (by obversion),
Some P is not not-.S. Here comes the turn for conversion; but we have an O
proposition, and can therefore proceed no further. (ii) Some .S is P, therefore (by
...
John Neville Keynes,
1887
6
Legal Logic: A Guide for Paralegals and Law Students
OPPOSITION,. OBVERSION,. AND. CONVERSION. 4. 01. Opposition. —.
Introduction. When we discussed distribution, what we were doing (among other
things) was treating the relationship between the subject and the predicate within
the ...
7
Elements of Translation
In logic, obversion is a form of inference in which a negative proposition is
obtained from an affirmative, or vice versa, as "None of us is immortal" is obtained
by obversion from "All of us are mortal." In translation, obversion is used when the
...
8
Meinongian Issues in Contemporary Italian Philosophy
But this is not all: if something is weakly indefinite and obversion holds, also the
principle of non-contradiction (NC) has true counterexamples. To see why,
suppose that a is weakly indefinite. Then, by definition of “weakly indefinite”, for
some ...
9
A Concise Introduction to Logic
Now that we have seen how the traditional square of opposition, by itself, is used
to test inferences for validity and soundness, let us see how it can be used
together with the operations of conversion, obversion, and contraposition to
prove the ...
10
The Trivium: The Liberal Arts of Logic, Grammar, and ...
a general or a total proposition, fewer from a partial or a contingent one.
OBVERSION Obversion turns a proposition around by changing the quality and
the predicate but not the meaning. Rules for obverting a proposition: 1 Change
the quality ...
Sister Miriam Joseph, Marguerite McGlinn,
2002
NEWS ITEMS WHICH INCLUDE THE TERM «OBVERSION»
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よみがえるＶＯＯＶ パトロール合体 ブーブガーディアンロボ Variable outfit Obversion Vehicle - Duration: 3:26. by youheidx 2,368,038 views. 3:26. «YouTube, Nov 12»