deletions | additions       diff --git a/layout.md b/layout.md  index bd69c90..6511f4f 100644  --- a/layout.md  +++ b/layout.md 
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Inverse_is_also_true_if__.tex  Delta_From_3_vec_a__.tex  Taking_into_account_that_vec__.tex  To_derive_1_we_need__.tex Now_vec_v_t_Delta__.tex