De Morgan's laws

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Theorem statement

Taken from[1]

  • [math]A^c\cup B^c=(A\cap B)^c[/math]
  • [math]A^c\cap B^c=(A\cup B)^c[/math]



TODO: Check my books - I'm sure it's more general than this (this statement is for finite)



References

  1. http://www.maths.manchester.ac.uk/~mdc/old/1K1/notes06.pdf - local copy saved, just in case