Edit this page Backlinks This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. Folosiți lema de pompare pentru a arăta că următoarele limbaje nu sunt independente de context: 1. $ L_1 = \{ 0^{2^n} \mid n \ge 0 \}$ 2. $ L_2 = \{ a^nb^mc^nd^m \mid n, m \ge 0 \}$