Metamath Proof Explorer


Theorem itsclc0lem2

Description: Lemma for theorems about intersections of lines and circles in a real Euclidean space of dimension 2 . (Contributed by AV, 3-May-2023)

Ref Expression
Assertion itsclc0lem2 STUV0VWW0SUTVW

Proof

Step Hyp Ref Expression
1 simp1 STUS
2 simp3 STUU
3 1 2 remulcld STUSU
4 3 adantr STUV0VSU
5 simpl2 STUV0VT
6 resqrtcl V0VV
7 6 adantl STUV0VV
8 5 7 remulcld STUV0VTV
9 4 8 resubcld STUV0VSUTV
10 9 3adant3 STUV0VWW0SUTV
11 simp3l STUV0VWW0W
12 simp3r STUV0VWW0W0
13 10 11 12 redivcld STUV0VWW0SUTVW