{"type":"video","version":"1.0","html":"<iframe width=\"560\" height=\"315\" sandbox=\"allow-same-origin allow-scripts allow-popups allow-forms\" title=\"Lecture 1B： Procedures and Processes; Substitution Model | MIT 6.001 Structure and Interpretation, 1986\" src=\"https://tube.cosmicflow.space/videos/embed/hFWbxMWeCNyzCqa9ieh3T7\" style=\"border: none\" allow=\"fullscreen\"></iframe>","width":560,"height":315,"title":"Lecture 1B： Procedures and Processes; Substitution Model | MIT 6.001 Structure and Interpretation, 1986","author_name":"openlectures","author_url":"https://tube.cosmicflow.space/video-channels/openlectures","provider_name":"PeerTube","provider_url":"https://tube.cosmicflow.space","thumbnail_url":"https://tube.cosmicflow.space/lazy-static/thumbnails/7a0d472b-8087-45cf-bd6a-e312407a5cd8.jpg","thumbnail_width":850,"thumbnail_height":480}