∈ Ct+K,E ⊃ Ct+K,S ? ) Ct+^,9 ∉ Ct+K,Sh+E ⊄ Ct+K,Sh+C µ ?? Ct+^,6 ⇒ Ct+K,Sh+Right ∅ Ct+K,O ? r Ct+^,Right ⇐ Ct+K,Sh+left ⊥ Ct+Sh+K,P ? s Ct+^,Left ⇔ Ct+K,Al+Sh+left α Ct+B,A ? Ct+^,- → Ct+K,Right β Ct+B,B ? ? ? ∑ Ct+T,S ← Ct+K,Left δ Ct+B,D ? ∑ Ct+T,Sh+S a Ct+K,Tab ε Ct+B,E { ? Ct+B,Ct+V ≡ Ct+K,= φ Ct+B,F [ ? Ct+B,L ≈ Ct+K,~ λ Ct+B,L ? Ct+B,T ∃ Ct+Sh+K,E π Ct+B,P ( ) ?? Ct+0 (9) ≠ Ct+K,+ Ω Ct+Sh+K,O ? ? ?? Ct+T,L ∞ Ct+B,V ∂ Ct+K,D ? ? ?? Ct+J ± Ct+Sh+K,= ξ Ct+B,C ? ? ? ∫ Ct+Sh+I,S ∆ Ct+B,G ψ Ct+B,U ƒ Ct+B,+F χ Ct+B,X ∀ Ct+Sh+K,A ζ Ct+B,S ∪ Ct+K,U  Ct+B,I ∩ Ct+K,X ⊂ Ct+K,C