Board Thread:Theories and Speculation/@comment-5407586-20150624095943/@comment-3279282-20150626193113

Yes, but my point is that a kekkei tota is made up of three basic natures and not two advanced ones. So calling it a pseudo-Kekkei Tota doesn't make sense.

But it doesn't need to be there. The main rationale is "Deidara used the Earth Release sign the moment he let his technique explode, we know that the explosion is Explosion Release, so Earth Release must be part of Explosion Release.". Sasuke's analysis isn't really important.

By the way, it wouldn't surprise me if Kishimoto didn't even think to give Deidara an advanced nature Kekkei Genkai back then.