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Presented by Shah Abdul Azeem
Opposition
Standard form of categorical proposition having same
subject term and same predicate term but differ from
each ...
Four types of Traditional square of
opposition
 Contradictories
 Contraries
 Sub-contraries
 Sub-Altarnation
One is the denial or negation of the others
Both cannot be true
Both cannot be false
Example of Contradictories
 All Judges are lawyers.
 Some Judges are not lawyers.
Two propositions having same subject term and same
predicate term but differ in quality,but same in
quantity.
Both cannot ...
Example of contraries
 All poets are dreamers,
 No poets are dreamers.
When two propositions having same subject term and
same predicate term and differ in quality but same in
quantity.
Both ca...
Example of sub-contraries
 Some diamonds are precious stones.
 Some diamonds are not precious stones
When two propositions having same subject term and
same predicate term agree in quality but different in
quantity.
Example of Sub-Alternation
 All Spiders are eight leged animal.
 Some spiders are eight leged animal
 No whales are fis...
1) Super-altern
2) Sub-altern
It is used for universal proposition
It is used for particular proposition
Thanku for your corporation
Traditional Square of opposition
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Traditional Square of opposition

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Transcript of "Traditional Square of opposition"

  1. 1. Presented by Shah Abdul Azeem
  2. 2. Opposition Standard form of categorical proposition having same subject term and same predicate term but differ from each other in Quality andQuantity is called opposition.
  3. 3. Four types of Traditional square of opposition  Contradictories  Contraries  Sub-contraries  Sub-Altarnation
  4. 4. One is the denial or negation of the others Both cannot be true Both cannot be false
  5. 5. Example of Contradictories  All Judges are lawyers.  Some Judges are not lawyers.
  6. 6. Two propositions having same subject term and same predicate term but differ in quality,but same in quantity. Both cannot be true but both can be false.
  7. 7. Example of contraries  All poets are dreamers,  No poets are dreamers.
  8. 8. When two propositions having same subject term and same predicate term and differ in quality but same in quantity. Both cannot be false but both can be true.
  9. 9. Example of sub-contraries  Some diamonds are precious stones.  Some diamonds are not precious stones
  10. 10. When two propositions having same subject term and same predicate term agree in quality but different in quantity.
  11. 11. Example of Sub-Alternation  All Spiders are eight leged animal.  Some spiders are eight leged animal  No whales are fishes  Some wales are fishes
  12. 12. 1) Super-altern 2) Sub-altern
  13. 13. It is used for universal proposition
  14. 14. It is used for particular proposition
  15. 15. Thanku for your corporation
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