Database
BASIC ALGEBRAIC STRUCTURES
Rings
Opposite ring
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coppr
Metamath Proof Explorer
Ascii
Unicode
Table of Contents - 10.3.6. Opposite ring
coppr
df-oppr
opprval
opprmulfval
opprmul
crngoppr
opprlem
opprbas
oppradd
opprrng
opprrngb
opprring
opprringb
oppr0
oppr1
opprneg
opprsubg
mulgass3