15_a_history_of_qed
CTSS was used at Bell Labs as part of our participation in the Multics project, and as Ken began to use Multics, he wrote yet another version of QED for that system.

0015_0002__was was 0015_0003__used used 0015_0002__was->0015_0003__used [scope] 0015_0001__CTSS ctss 0015_0003__used->0015_0001__CTSS [arg1] 0015_0005__Bell_0015_0006__Labs bell_labs 0015_0003__used->0015_0005__Bell_0015_0006__Labs at[nim] 0015_0008__part part 0015_0003__used->0015_0008__part as[prd] staz_0015_5006 * 0015_0003__used->staz_0015_5006 [arg0] 0015_0011__participation participation 0015_0008__part->0015_0011__participation of 0015_0010__our our 0015_0011__participation->0015_0010__our [gen] 0015_0013__the_0015_0014__Multics_0015_0015__project the_multics_project 0015_0011__participation->0015_0013__the_0015_0014__Multics_0015_0015__project in 0015_0017__and and 0015_0017__and->0015_0002__was [conj1] 0015_0018__as as 0015_0017__and->0015_0018__as [conj2] 0015_0020__began began 0015_0018__as->0015_0020__began [restriction] 0015_0026__wrote wrote 0015_0018__as->0015_0026__wrote [scope] 0015_0019__Ken ken 0015_0020__began->0015_0019__Ken [arg0] 0015_0022__use use 0015_0020__began->0015_0022__use [arg1] 0015_0026__wrote->0015_0019__Ken [arg0] 0015_0028__anothe0015_0029__version another_version 0015_0026__wrote->0015_0028__anothe0015_0029__version [arg1] 0015_0022__use->0015_0019__Ken [arg0] 0015_0023__Multics multics 0015_0022__use->0015_0023__Multics [arg1] 0015_0028__anothe0015_0029__version->0015_0023__Multics for 0015_0027__yet yet 0015_0028__anothe0015_0029__version->0015_0027__yet [qual] 0015_0031__QED qed 0015_0028__anothe0015_0029__version->0015_0031__QED of
arc(r_0015_0002__was,r_0015_0003__used,keep_scope).
arc(r_0015_0003__used,r_0015_0001__CTSS,arg1).
arc(r_0015_0003__used,r_0015_0005__Bell_r_0015_0006__Labs,r_0015_0004__at__nim).
arc(r_0015_0003__used,r_0015_0008__part,r_0015_0007__as__prd).
arc(r_0015_0003__used,star_z_0015_5006,arg0).
arc(r_0015_0008__part,r_0015_0011__participation,r_0015_0009__of).
arc(r_0015_0011__participation,r_0015_0010__our,gen).
arc(r_0015_0011__participation,r_0015_0013__the_r_0015_0014__Multics_r_0015_0015__project,r_0015_0012__in).
arc(r_0015_0017__and,r_0015_0002__was,coord_conj1).
arc(r_0015_0017__and,r_0015_0018__as,coord_conj2).
arc(r_0015_0018__as,r_0015_0020__began,restriction).
arc(r_0015_0018__as,r_0015_0026__wrote,scope).
arc(r_0015_0020__began,r_0015_0019__Ken,arg0).
arc(r_0015_0020__began,r_0015_0022__use,arg1).
arc(r_0015_0022__use,r_0015_0019__Ken,arg0).
arc(r_0015_0022__use,r_0015_0023__Multics,arg1).
arc(r_0015_0026__wrote,r_0015_0019__Ken,arg0).
arc(r_0015_0026__wrote,r_0015_0028__another_r_0015_0029__version,arg1).
arc(r_0015_0028__another_r_0015_0029__version,r_0015_0023__Multics,r_0015_0032__for).
arc(r_0015_0028__another_r_0015_0029__version,r_0015_0027__yet,qual).
arc(r_0015_0028__another_r_0015_0029__version,r_0015_0031__QED,r_0015_0030__of).


IP-MAT ILYR ILYR NP-SBJ NPR CTSS BED;~cat_Ve_passive_ was IP-PPL-CAT NP-LGS * VVN;~Cn.n/a used PP-NIM P-ROLE at NP NPR Bell NPRS Labs PP-PRD P-ROLE as NP N part PP P-ROLE of NP NP-GEN PRO;_genm_ our N participation PP P-ROLE in NP D the NPR Multics N project PUNC , CONJP CONJ and ILYR PP-SCON P-CONN as IP-ADV NP-SBJ NPR Ken VBD began IP-INF-OB1 TO to VB use NP-OB1 NPR Multics PUNC , NP-SBJ PRO he VBD wrote NP-OB1 ADVP ADV yet D another N version PP P-ROLE of NP NPR QED PP P-ROLE for NP D that N system PUNC .
( (IP-MAT (ILYR (ILYR (NP-SBJ (NPR CTSS;{CTSS}))
                      (BED;~cat_Ve_passive_ was;{be})
                      (IP-PPL-CAT (NP-LGS *)
                                  (VVN;~Cn.n/a used;{use[as]})
                                  (PP-NIM (P-ROLE at;{at})
                                          (NP;{BELL_LABS} (NPR Bell;{Bell})
                                                          (NPRS Labs;{Labs})))
                                  (PP-PRD (P-ROLE as;{as})
                                          (NP (N part;{part})
                                              (PP (P-ROLE of;{of})
                                                  (NP (NP-GEN;{BELL_LABS} (PRO;_genm_ our;{our}))
                                                      (N participation;{participation})
                                                      (PP (P-ROLE in;{in})
                                                          (NP (D the;{the})
                                                              (NPR Multics;{Multics})
                                                              (N project;{project})))))))))
                (PUNC ,)
                (CONJP (CONJ and;{and})
                       (ILYR (PP-SCON (P-CONN as;{as})
                                      (IP-ADV (NP-SBJ;{KEN} (NPR Ken;{Ken}))
                                              (VBD began;{begin})
                                              (IP-INF-OB1 (TO to;{to})
                                                          (VB use;{use})
                                                          (NP-OB1;{MULTICS} (NPR Multics;{Multics})))))
                             (PUNC ,)
                             (NP-SBJ;{KEN} (PRO he;{he}))
                             (VBD wrote;{write})
                             (NP-OB1;{MULTICS_QED} (ADVP (ADV yet;{yet}))
                                                   (D another;{another})
                                                   (N version;{version})
                                                   (PP (P-ROLE of;{of})
                                                       (NP (NPR QED;{QED})))
                                                   (PP (P-ROLE for;{for})
                                                       (NP;{MULTICS} (D that;{that})
                                                                     (N system;{system})))))))
          (PUNC .))
  (ID 15_a_history_of_qed))