deletions | additions       diff --git a/layout.md b/layout.md  index 42666a8..c1f2a84 100644  --- a/layout.md  +++ b/layout.md 
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p_i_3_Top_down__.html  p_i_4_Redundancy_gain__.html  p_i_5_Similarity_causes__.html  h4_Mental_model_principles_br__.html