Contents
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6.1 Mathematical Induction
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6.2 Truth-Functional Completeness
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6.3 The Soundness of SD and SD+
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6.4 The Completeness of SD and SD+
Notes
mathematical induction
If a statement is true when $n=1,$ and if when the
statement is true when $n=k$ where $k$ is an arbitrary
integer then the statement is true for the next
integer, namely $n=k+1,$ then the statement is true
for all positive integers.
Alex Notes