Question: Using the Traditional Square of Opposition above, is the following Immediate Inference valid or invalid? All salamanders are reptiles. Therefore, some salamanders are not reptiles. Select one: Oa. Invalid Ob. Valid

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
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dictory
Subalterr
Contra
F
Subcontrary
Contrary = At least one must be false (not both true, but both could be false)
Subcontrary = At least one must be true (not both false, but both could be true)
Contradictory = Opposite truth value
%3D
Subalternation = Truth flows downward; falsity flows upward.
Question: Using the Traditional Square of Opposition above, is the following Immediate Inference valid or invalid?
All salamanders are reptiles. Therefore, some salamanders are not reptiles.
Select one:
O a. Invalid
O b. Valid
Doolc Dro
Transcribed Image Text:dictory Subalterr Contra F Subcontrary Contrary = At least one must be false (not both true, but both could be false) Subcontrary = At least one must be true (not both false, but both could be true) Contradictory = Opposite truth value %3D Subalternation = Truth flows downward; falsity flows upward. Question: Using the Traditional Square of Opposition above, is the following Immediate Inference valid or invalid? All salamanders are reptiles. Therefore, some salamanders are not reptiles. Select one: O a. Invalid O b. Valid Doolc Dro
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