This file is indexed.

/usr/share/doc/prover9-doc/examples/x2.tabular is in prover9-doc 0.0.200902a-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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% number = 1
% seconds = 0

% Interpretation of size 6

 * : 
       | 0 1 2 3 4 5
    ---+------------
     0 | 0 1 2 3 4 5
     1 | 1 0 3 2 5 4
     2 | 2 4 0 5 1 3
     3 | 3 5 1 4 0 2
     4 | 4 2 5 0 3 1
     5 | 5 3 4 1 2 0

 ' : 
         0 1 2 3 4 5
    ----------------
         0 1 2 4 3 5

 e : 0

 c1 : 1

 c2 : 2