COMMENT ⊗ VALID 00002 PAGES C REC PAGE DESCRIPTION C00001 00001 C00002 00002 ∀e w123 RW w1 0 C00003 ENDMK C⊗; ∀e w123 RW w1 0; ∀e elwek11 w1; tauteq ¬(135:#1 ⊃ color(W2,w1)=color(W2,RW)) 135 61 133 134 rw color1; ∃i 136 w1←w1; unify ¬∀w1.137:#1#1 137;