Metamath Proof Explorer


Theorem pell14qrss1234

Description: A positive Pell solution is a general Pell solution. (Contributed by Stefan O'Rear, 18-Sep-2014)

Ref Expression
Assertion pell14qrss1234 DPell14QRDPell1234QRD

Proof

Step Hyp Ref Expression
1 nn0z b0b
2 1 a1i Db0b
3 2 anim1d Db0ca=b+Dcb2Dc2=1bca=b+Dcb2Dc2=1
4 3 reximdv2 Db0ca=b+Dcb2Dc2=1bca=b+Dcb2Dc2=1
5 4 anim2d Dab0ca=b+Dcb2Dc2=1abca=b+Dcb2Dc2=1
6 elpell14qr DaPell14QRDab0ca=b+Dcb2Dc2=1
7 elpell1234qr DaPell1234QRDabca=b+Dcb2Dc2=1
8 5 6 7 3imtr4d DaPell14QRDaPell1234QRD
9 8 ssrdv DPell14QRDPell1234QRD