Proof: Zero (Absorbing, Annihilating) Element, Left Zero, Right Zero

(related to Proposition: Uniqueness of the Neutral Element)


Thank you to the contributors under CC BY-SA 4.0!

Github:
bookofproofs


References

Bibliography

  1. Knauer Ulrich: "Diskrete Strukturen - kurz gefasst", Spektrum Akademischer Verlag, 2001