This also required changing the order a bit.

```coq
Lemma gmap_view_auth_frac_op_valid q1 q2 m1 m2 :
  ✓ (gmap_view_auth q1 m1 ⋅ gmap_view_auth q2 m2)  ✓ (q1 + q2)%Qp ∧ m1 ≡ m2.
Lemma gmap_view_auth_op_valid m1 m2 :
  ✓ (gmap_view_auth 1 m1 ⋅ gmap_view_auth 1 m2)  False.
```

Use infix `_frac` for the `●{q}` variants. This was already done for the
external validity lemmas, but not for those for inclusion and internal validity.