17_a_history_of_qed
However, the basic technique of simulating an NDFA was still used.

0017_0003__the_0017_0005__technique the_technique 0017_0004__basic basic 0017_0003__the_0017_0005__technique->0017_0004__basic [attrib] 0017_0007__simulating simulating 0017_0003__the_0017_0005__technique->0017_0007__simulating of 0017_0008__an_0017_0009__NDFA an_ndfa 0017_0007__simulating->0017_0008__an_0017_0009__NDFA [arg1] z_0017_5006 _ 0017_0007__simulating->z_0017_5006 [arg0] 0017_0010__was was 0017_0001__However however 0017_0010__was->0017_0001__However [nim] 0017_0012__used used 0017_0010__was->0017_0012__used [scope] 0017_0012__used->0017_0003__the_0017_0005__technique [arg1] 0017_0011__still still 0017_0012__used->0017_0011__still [nim] staz_0017_5010 * 0017_0012__used->staz_0017_5010 [arg0]
arc(r_0017_0003__the_r_0017_0005__technique,r_0017_0004__basic,attrib).
arc(r_0017_0003__the_r_0017_0005__technique,r_0017_0007__simulating,r_0017_0006__of).
arc(r_0017_0007__simulating,r_0017_0008__an_r_0017_0009__NDFA,arg1).
arc(r_0017_0007__simulating,z_0017_5006,arg0).
arc(r_0017_0010__was,r_0017_0001__However,nim).
arc(r_0017_0010__was,r_0017_0012__used,keep_scope).
arc(r_0017_0012__used,r_0017_0003__the_r_0017_0005__technique,arg1).
arc(r_0017_0012__used,r_0017_0011__still,nim).
arc(r_0017_0012__used,star_z_0017_5010,arg0).


IP-MAT ADVP-NIM ADV However PUNC , NP-SBJ D the ADJP ADJ basic N technique PP P-ROLE of IP-PPL VAG simulating NP-OB1 D an NPR NDFA BED;~cat_Ve_passive_ was IP-PPL-CAT NP-LGS * ADVP-NIM ADV still VVN used PUNC .
( (IP-MAT (ADVP-NIM (ADV However;{however}))
          (PUNC ,)
          (NP-SBJ (D the;{the})
                  (ADJP (ADJ basic;{basic}))
                  (N technique;{technique})
                  (PP (P-ROLE of;{of})
                      (IP-PPL (VAG simulating;{simulate})
                              (NP-OB1 (D an;{an})
                                      (NPR NDFA;{NDFA})))))
          (BED;~cat_Ve_passive_ was;{be})
          (IP-PPL-CAT (NP-LGS *)
                      (ADVP-NIM (ADV still;{still}))
                      (VVN used;{use}))
          (PUNC .))
  (ID 17_a_history_of_qed))