I. INTRODUCTION  
II. BACKGROUND  
A. Evolution of telecom networks  
B. Generative Modeling  
C. Knowledge Representation and Reasoning (KRR)  
III. GENAI AND CRITICAL THINKING  
A. Reasoning Types and Tasks  
B. Reasoning Approaches in GenAI  
IV. REASONING IN MOBILE NETWORKS  
A. Business Management  
B. Service Management  
C. Network Lifecycle Management  
D. Network Infrastructure Management  
E. Overarching Use-Cases  
F. Use Case Mapping  
V. CHALLENGES AND OPPORTUNITIES  
VI. CONCLUSION