Disprove that tending to x is equivalent to |a| tending to x - #673
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Chessing234 wants to merge 4 commits into
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Disprove that tending to x is equivalent to |a| tending to x#673Chessing234 wants to merge 4 commits into
Chessing234 wants to merge 4 commits into
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The constant sequence -1 tends to -1 while its absolute value tends to 1.
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Summary
-1tends to-1while|a|tends to1, so the claimed equivalence is false (contrast the true zero-testtendsTo_zero_iff).Test plan
Analysis/Section_6_4.lean