• 2022-06-17
    [tex=19.143x1.357]x1xKw8K/2gXsrF/NJk8Jwt6gpuKBSWKqvfbD2I3LuPS3uY4oIq2GF5CwXwiFJ0LH/ny3GcPOVetfeUgGeCBipmJgA48FRHtFR5J0ImnGXkc=[/tex],证明:拓扑空间[tex=3.5x1.571]QyjN4PEoUsC42ms94ZYXqk7V1b3k0v4mc46DLR287NmZtvybqV40kTYcT/B1GhFP[/tex]是两个实数下限拓扑空间[tex=1.071x1.214]AFIjYbxiw7fLoexFQ+PTcAMGEF8FSfHykkag7CnjmN8=[/tex]的积空间。