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Deleted 01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/05.paraxial-optics/03.physical-system-versus-optical-system/02.new-course-overview/cheatsheet.en.md, 01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/05.paraxial-optics/03.physical-system-versus-optical-system/02.new-course-overview/cheatsheet.es.md, 01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/05.paraxial-optics/03.physical-system-versus-optical-system/02.new-course-overview/cheatsheet.fr.md, 01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/05.paraxial-optics/03.physical-system-versus-optical-system/02.new-course-overview/lentille_relle_representation_v1.gif files

01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/05.paraxial-optics/03.physical-system-versus-optical-system/02.new-course-overview/cheatsheet.en.md

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-title: 'new course  : overview'
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01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/05.paraxial-optics/03.physical-system-versus-optical-system/02.new-course-overview/cheatsheet.es.md

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-title: 'nuevo curso : síntesis'
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01.curriculum/01.physics-chemistry-biology/03.niv3/02.geometrical-optics/05.paraxial-optics/03.physical-system-versus-optical-system/02.new-course-overview/cheatsheet.fr.md

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-title: 'nouveau cours : synthèse'
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-nouveau cours : synthèse
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