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References to 'mnemonic device'
1. (closed) walk / trek / trail / path by marijke
2. absolute value inequalities by Wkbj79
3. Aristotelian logic by Daume
4. chain rule by matte
5. conjugation (mnemonic) by Wkbj79
6. determining signs of trigonometric functions by Wkbj79
7. divergence by rmilson
8. even-even-odd rule by Wkbj79
9. factoring a sum or difference of two cubes by Wkbj79
10. FC-group by yark
11. finite fields of sets by rspuzio
12. Galois is not transitive by Wkbj79
13. improper limits by pahio
14. inverse of composition of functions by Wkbj79
15. keep-flip-change by Wkbj79
16. Leibniz notation for vector fields by stevecheng
17. normal is not transitive by Wkbj79
18. sohcahtoa by Wkbj79