Polynomial ring/Endomorphism/Inserting/Ring homomorphism (without concept)/Fact/Proof
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Proof
(1) and (4) are inherent in the definition of the substitution homomorphism. From this, also (2) and (3) follows.
(1) and (4) are inherent in the definition of the substitution homomorphism. From this, also (2) and (3) follows.