Peyote is illegal, San Pedro is legal. San Pedro is found in many gardens throughout the country. One usually needs to eat a foot long section of the cactus to recieve a normal dose of mescaline.
... The condition 0 ≠ 1 is only there to exclude the trivial ring with a single element 0 = 1.
All fields are division rings. A more typical example is given by th ...
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