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| -rw-r--r-- | math/sets.page | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/math/sets.page b/math/sets.page index 7b464ed..e8c9e2e 100644 --- a/math/sets.page +++ b/math/sets.page @@ -41,11 +41,13 @@ $~$ (NOTE: tilde) (*similarity*; eg of geometric figures). Some properties of equivalence relations are reflexive - if $a=a$ is true for all a -symetric - if $a=b$ implies $b=a$ +: if $a=a$ is true for all a + +symmetric +: if $a=b$ implies $b=a$ + transitive - if $a=b$ and $b=c$ implies $a=c$ +: if $a=b$ and $b=c$ implies $a=c$ [^rudin]: **Principles of Mathematical Analysis (3rd ed)**, by Walter Rudin. McGraw-Hill, 1976 |