03Hxx Nonstandard models, See also {03C62} ( 0 Dok. )

• 03H05 Nonstandard models in mathematics, See also {26E35, 28E05, 30G06, 46S20, 47S20, 54J05} ( 0 Dok. )
• 03H10 Other applications of nonstandard models (economics physics, etc.) ( 0 Dok. )
• 03H15 Nonstandard models of arithmetic, See also {11U10, 12L15, 13L05} ( 0 Dok. )
• 03H99 None of the above but in this section ( 0 Dok. )