duplicated methods?

$ ri Object
...
     prepare_wc_input, pretty, pretty_print, pretty_print_cycle, print,
     printHeader, print_full_board, print_profile, print_results,
     private_methods, proc_call, proc_return1, proc_return2,
     proc_return3, proc_return4, proc_yield, program_name, prompt,
     protected_methods, prunable, public_methods, public_send, puts, r,
     r, r, r, r, r, r, r, r, r, r, r, r, r, r, r, r, r, r, r, r, r, r,
     r, r, r, r, r, r, r, r, r, r, r, r, r, r, r, r, r, r, r, r, r, r,
     r, r, r, r, r, r, r, r, r, r, r, r, r, r, r, r, r, r, r, r,
     raise_if_conflict, reject, release, remove, require_relative,
     respond_to?, revcomp, rl, rm, rmdir, ruby2html, ruby_exec,
     ruby_exec, runfile, save, search, send, separator, server, server,
     set_cbreak, set_valid_byte_pattern, setpiece, setup, shift_test,

repeats? a method r?

Is this expected?
Thanks.
-r