Hence it necessarily applies only to A and 0 propositions,
conversion.html">conversion.html">conversion.html">conversion.html">conversion.html">conversion; whereas E and 1 themselves are permuted into A and 0,
'conversion by negation.html">negation.html">negation' should be thus restricted in its meaning;
conversion, no matter.html">matter in what order.html">order the two processes.html">processes may be
those which pass under the title of conversion by negation are left
.'. All B is not-A (A).
(I) Some A is B.
.'. All unbecoming actions are not-good (A).
(I) Some poetical persons are logicians.
.'. Some statesmen are not practical.
509. When the inferences just given are analysed, it will be found
drawn even in the original order of the processes,
No A is B.
.'. Some dishonest men employ bribery.html">bribery.
The inference here, it must be remembered, does not refer to matter of
is that of employing bribery.
511. If we analyse the preceding, we find that the second step is
.'. All A is not-B (by permutation.html">permutation.html">permutation).
conversion per accidens followed by permutation--
All A is B.
.'. Some agreeable persons are not disingenuous.
513. The intermediate link between the above two propositions is the
however, coincides with that from 1 ( 508), as the similar inference
combining permutation with conversion, and should therefore be classed
conversion by negation as--A form of conversion in which the converse
one of the original terms.
516. A still more complex form of immediate inference is known.
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