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Author Question: Consider "Since all triangles are plane figures, some plane figures are triangles." This inference, ... (Read 166 times)

fungirl

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on: May 12, 2022

Question 1

Consider "Since all triangles are plane figures, all non-plane figures are non-triangles." This inference, drawn by contraposition, is
◦ valid
◦ not valid
◦ valid by limitation

Question 2

Consider "Since all triangles are plane figures, some plane figures are triangles." This inference, drawn by conversion, is
◦ valid
◦ not valid
◦ valid by limitation
How to Think Logically ¦ Seay, Nuccetelli ¦ 2nd Edition
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Marked as best answer by fungirl on May 12, 2022

lhn821

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Reply #1 on: May 12, 2022
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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fungirl

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Reply 2 on: May 12, 2022
Gracias!

fatboyy09

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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