@ -19,11 +19,10 @@ $`\def\PSopen{\mathscr{S}_{\smile}}`$
$`\def\PSclosed{\mathscr{S}_{\displaystyle\tiny\bigcirc}}`$
!!!! *LESSON IN CONSTRUCTION :* <br>
!!!! *Not published, not visible, not yet approved*<br>
!!!! Published but invisible: does not appear in the tree structure of the m3p2.com site. This course is *under construction*, it is *not approved by the pedagogical team* at this stage. <br>
!!!! work document only for the pedagogical team.
<!--MétaDonnée : INSAT-1°année_-->
<!--MétaDonnée : INS-1°année_-->
#### What are ... ?
