• 2022-07-22
    代数系统[tex=2.286x1.357]6p2HC/3IYfv9wvXtffu3FA==[/tex],对[tex=0.571x0.786]7G1MINzwputr5mgALyjQfA==[/tex],[tex=1.786x1.071]zJIcGo8wmxxqUPVLRRjV0w==[/tex],[tex=5.714x1.143]XmxO3uVwkX3n+qWiynsxsg==[/tex],因为对任何[tex=0.571x0.786]7G1MINzwputr5mgALyjQfA==[/tex],[tex=0.429x1.0]JThLUuJ8WswSAPiYZWihWg==[/tex],[tex=1.786x1.071]DVI/6aKuDdQv86tG4tuO0w==[/tex],有[tex=5.714x1.357]VYSsQRWwCtKvVTsdhErDMtJNu5D5Y6UMxVBulSgvJp0=[/tex][tex=8.429x1.357]DJmIVJ1MTYeGFNBXDg1rK5hmdTHThcsSU8Nuih4Nn5w=[/tex][tex=10.286x1.143]OTPtOaBvmUvcN+ALrxtB6LjMSjZ/Yveua+zGETQUZlk=[/tex][tex=4.0x1.357]Ou8uSckD6BKi6ab20zoAEQ==[/tex],又因为存在[input=type:blank,size:4][/input]是[input=type:blank,size:4][/input],所以[tex=2.286x1.357]7SXyCmdwXPiCLyo4EjSC4w==[/tex]是单元半群.
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