[[1] Grzegorz Bancerek. The fundamental properties of natural numbers. Formalized Mathematics, 1(1):41-46, 1990.]Search in Google Scholar
[[2] Grzegorz Bancerek. The ordinal numbers. Formalized Mathematics, 1(1):91-96, 1990.]Search in Google Scholar
[[3] Czesław Byliński. Functions and their basic properties. Formalized Mathematics, 1(1):55-65, 1990.]Search in Google Scholar
[[4] Czesław Byliński. Some basic properties of sets. Formalized Mathematics, 1(1):47-53, 1990.]Search in Google Scholar
[[5] Chuanzhang Chen. Mathematical Analysis. Higher Education Press, Beijing, 1978.]Search in Google Scholar
[[6] Krzysztof Hryniewiecki. Basic properties of real numbers. Formalized Mathematics, 1(1):35-40, 1990.]Search in Google Scholar
[[7] Andrzej Trybulec. Binary operations applied to functions. Formalized Mathematics, 1(2):329-334, 1990.]Search in Google Scholar
[[8] Zinaida Trybulec. Properties of subsets. Formalized Mathematics, 1(1):67-71, 1990.]Search in Google Scholar
[[9] Peng Wang and Bo Li. Several differentiation formulas of special functions. Part V. Formalized Mathematics, 15(3):73-79, 2007, doi:10.2478/v10037-007-0009-4.10.2478/v10037-007-0009-4]Search in Google Scholar
[[10] Edmund Woronowicz. Relations and their basic properties. Formalized Mathematics, 1(1):73-83, 1990.]Search in Google Scholar
[[11] Yuguang Yang and Yasunari Shidama. Trigonometric functions and existence of circle ratio. Formalized Mathematics, 7(2):255-263, 1998.]Search in Google Scholar
