Truth course
From Huben's Wiki
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**# The sun rises in the East. | **# The sun rises in the East. | ||
**# All swans are white. | **# All swans are white. | ||
| + | **Thus we are reason ing about the real world with "some: Some A’s are B’s, Some B’s are C’s, Therefore some A’s are C’s. This is fallacious. | ||
| + | ***Easy to show with two linear, 3 circle Venn diagrams, one with A and C overlap, the other not. | ||
| + | ***Standard 3 circle all overlapping Venn diagram shows other possibilities. There lie the errors. | ||
***Many of our methods of reasoning are heuristic (usually valid guesses), not logically valid. | ***Many of our methods of reasoning are heuristic (usually valid guesses), not logically valid. | ||
**science: difference between truth and honesty, lack of perfect proof | **science: difference between truth and honesty, lack of perfect proof | ||
