| Subject | English | Polish |
| comp., MS | assertion failure | błąd potwierdzenia (The inability of a condition to hold true at some particular point in a program. When a condition does not hold true, execution of the program is interrupted, and a dialog box or message may appear) |
| law | assertion of a claim | dochodzenie roszczenia |
| comp., MS | assertion statement | instrukcja asercji (A Boolean statement used in a program to test a condition that, if the program is operating correctly, should always evaluate as true; otherwise the program will typically terminate with an appropriate error message. Assertions are used for debugging programs and for documenting how a program should operate) |