[lemma=only] [lemma=take]? ([lemma=from] [lemma=□])? □
[lemma=only] [lemma=take]? ([lemma=from] [lemma=the])? □
[lemma=only] [lemma=take]? ([lemma=from] [lemma=from])? □
The only rules are that it must be free , legal , and suitable for all ages . This situation only exists for electives where there is only one tutorial and one laboratory session in the repeat subject ( s ) . Authors may " republish " their papers , but only if they indicate that they have previously appeared in OJPCP . Xenophanes was known for his claim that no one knows clear truth ; Democritus maintained that “ bastard ” knowledge gained through the senses exists only by convention ; Plato 's dialogues contained arguments pro and contra , and cast doubt on everyday opinions ; Diogenes of Sinope and other Cynics dismiss philosophical speculation ; Epictetus insists that philosophers spend too much time on theory ( En ., 51 ) ; and so on . Consequently , only concepts , not percepts , can contain any implicit elements , since they alone are capable of logical analysis . Only papers selected for oral presentation will be considered for any award . Judicious refereeing - - especially in electronic journals - - is the only means of separating the valuable from the vapid ... It was only now that nation - and continent-wide schedules provoked the appearance of national time , and it was only the adoption of Greenwich mean time in the late nineteenth century which established a single temporal framework for international communications . Ribbons will be awarded for all participants ; awards for the top three finishers , male and female , in each age category for running ; awards for the top two finishers , male and female , in wheelchair ( note no hand-cycles or recumbents – wheelchairs only ) ; and participant ribbons will be given for walking .