
The complete proof:
The Isar proof is in: proofs/isar_proof2.thy
The proof in the natural language form is in: proofs/nl_proof2.tex
The number of steps: 83
The number of axioms used: 10
The list of used axioms:
ax_g1 ax_ml_I3b_1 ax_I1 ax_I4a ax_D1 ax_ncol_132 ax_col_132 ax_D6a ax_g4 ax_D1a 

The clean proof: 
The Isar proof is in: proofs/isar_proof_optimized2.thy
The proof in the natural language form is in: proofs/nl_proof_optimized2.tex
The number of steps: 36

The list of all axioms considered (given and derived) is in: all_axioms.txt.

Basic time: 0.67 seconds. 
Cleaning time: 0.01 seconds. 
Total time: 0.68 seconds. 

