Question: who devised the technique syllogism to learn logic
[{'answer': 'Aristotle', 'provenance': [{'wikipedia_id': '48046', 'title': 'Syllogism', 'start_paragraph_id': 2, 'start_character': 98, 'end_paragraph_id': 2, 'end_character': 107, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '48046', 'title': 'Syllogism', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 533, 'bleu_score': 0.946458428441119, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6824022132455423364}, 'section': 'Section::::Early history.:Aristotle.\n'}]}]