Metamath Proof Explorer


Theorem addsdilem4

Description: Lemma for addsdi . Show one of the equalities involved in the final expression. (Contributed by Scott Fenton, 9-Mar-2025)

Ref Expression
Hypotheses addsdilem4.1 φ A No
addsdilem4.2 φ B No
addsdilem4.3 φ C No
addsdilem4.4 No typesetting found for |- ( ph -> A. xO e. ( ( _Left ` A ) u. ( _Right ` A ) ) ( xO x.s ( B +s C ) ) = ( ( xO x.s B ) +s ( xO x.s C ) ) ) with typecode |-
addsdilem4.5 No typesetting found for |- ( ph -> A. zO e. ( ( _Left ` C ) u. ( _Right ` C ) ) ( A x.s ( B +s zO ) ) = ( ( A x.s B ) +s ( A x.s zO ) ) ) with typecode |-
addsdilem4.6 No typesetting found for |- ( ph -> A. xO e. ( ( _Left ` A ) u. ( _Right ` A ) ) A. zO e. ( ( _Left ` C ) u. ( _Right ` C ) ) ( xO x.s ( B +s zO ) ) = ( ( xO x.s B ) +s ( xO x.s zO ) ) ) with typecode |-
addsdilem4.7 No typesetting found for |- ( ps -> X e. ( ( _Left ` A ) u. ( _Right ` A ) ) ) with typecode |-
addsdilem4.8 No typesetting found for |- ( ps -> Z e. ( ( _Left ` C ) u. ( _Right ` C ) ) ) with typecode |-
Assertion addsdilem4 Could not format assertion : No typesetting found for |- ( ( ph /\ ps ) -> ( ( ( X x.s ( B +s C ) ) +s ( A x.s ( B +s Z ) ) ) -s ( X x.s ( B +s Z ) ) ) = ( ( A x.s B ) +s ( ( ( X x.s C ) +s ( A x.s Z ) ) -s ( X x.s Z ) ) ) ) with typecode |-

Proof

Step Hyp Ref Expression
1 addsdilem4.1 φ A No
2 addsdilem4.2 φ B No
3 addsdilem4.3 φ C No
4 addsdilem4.4 Could not format ( ph -> A. xO e. ( ( _Left ` A ) u. ( _Right ` A ) ) ( xO x.s ( B +s C ) ) = ( ( xO x.s B ) +s ( xO x.s C ) ) ) : No typesetting found for |- ( ph -> A. xO e. ( ( _Left ` A ) u. ( _Right ` A ) ) ( xO x.s ( B +s C ) ) = ( ( xO x.s B ) +s ( xO x.s C ) ) ) with typecode |-
5 addsdilem4.5 Could not format ( ph -> A. zO e. ( ( _Left ` C ) u. ( _Right ` C ) ) ( A x.s ( B +s zO ) ) = ( ( A x.s B ) +s ( A x.s zO ) ) ) : No typesetting found for |- ( ph -> A. zO e. ( ( _Left ` C ) u. ( _Right ` C ) ) ( A x.s ( B +s zO ) ) = ( ( A x.s B ) +s ( A x.s zO ) ) ) with typecode |-
6 addsdilem4.6 Could not format ( ph -> A. xO e. ( ( _Left ` A ) u. ( _Right ` A ) ) A. zO e. ( ( _Left ` C ) u. ( _Right ` C ) ) ( xO x.s ( B +s zO ) ) = ( ( xO x.s B ) +s ( xO x.s zO ) ) ) : No typesetting found for |- ( ph -> A. xO e. ( ( _Left ` A ) u. ( _Right ` A ) ) A. zO e. ( ( _Left ` C ) u. ( _Right ` C ) ) ( xO x.s ( B +s zO ) ) = ( ( xO x.s B ) +s ( xO x.s zO ) ) ) with typecode |-
7 addsdilem4.7 Could not format ( ps -> X e. ( ( _Left ` A ) u. ( _Right ` A ) ) ) : No typesetting found for |- ( ps -> X e. ( ( _Left ` A ) u. ( _Right ` A ) ) ) with typecode |-
8 addsdilem4.8 Could not format ( ps -> Z e. ( ( _Left ` C ) u. ( _Right ` C ) ) ) : No typesetting found for |- ( ps -> Z e. ( ( _Left ` C ) u. ( _Right ` C ) ) ) with typecode |-
9 oveq1 Could not format ( xO = X -> ( xO x.s ( B +s C ) ) = ( X x.s ( B +s C ) ) ) : No typesetting found for |- ( xO = X -> ( xO x.s ( B +s C ) ) = ( X x.s ( B +s C ) ) ) with typecode |-
10 oveq1 Could not format ( xO = X -> ( xO x.s B ) = ( X x.s B ) ) : No typesetting found for |- ( xO = X -> ( xO x.s B ) = ( X x.s B ) ) with typecode |-
11 oveq1 Could not format ( xO = X -> ( xO x.s C ) = ( X x.s C ) ) : No typesetting found for |- ( xO = X -> ( xO x.s C ) = ( X x.s C ) ) with typecode |-
12 10 11 oveq12d Could not format ( xO = X -> ( ( xO x.s B ) +s ( xO x.s C ) ) = ( ( X x.s B ) +s ( X x.s C ) ) ) : No typesetting found for |- ( xO = X -> ( ( xO x.s B ) +s ( xO x.s C ) ) = ( ( X x.s B ) +s ( X x.s C ) ) ) with typecode |-
13 9 12 eqeq12d Could not format ( xO = X -> ( ( xO x.s ( B +s C ) ) = ( ( xO x.s B ) +s ( xO x.s C ) ) <-> ( X x.s ( B +s C ) ) = ( ( X x.s B ) +s ( X x.s C ) ) ) ) : No typesetting found for |- ( xO = X -> ( ( xO x.s ( B +s C ) ) = ( ( xO x.s B ) +s ( xO x.s C ) ) <-> ( X x.s ( B +s C ) ) = ( ( X x.s B ) +s ( X x.s C ) ) ) ) with typecode |-
14 4 adantr Could not format ( ( ph /\ ps ) -> A. xO e. ( ( _Left ` A ) u. ( _Right ` A ) ) ( xO x.s ( B +s C ) ) = ( ( xO x.s B ) +s ( xO x.s C ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> A. xO e. ( ( _Left ` A ) u. ( _Right ` A ) ) ( xO x.s ( B +s C ) ) = ( ( xO x.s B ) +s ( xO x.s C ) ) ) with typecode |-
15 7 adantl Could not format ( ( ph /\ ps ) -> X e. ( ( _Left ` A ) u. ( _Right ` A ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> X e. ( ( _Left ` A ) u. ( _Right ` A ) ) ) with typecode |-
16 13 14 15 rspcdva Could not format ( ( ph /\ ps ) -> ( X x.s ( B +s C ) ) = ( ( X x.s B ) +s ( X x.s C ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> ( X x.s ( B +s C ) ) = ( ( X x.s B ) +s ( X x.s C ) ) ) with typecode |-
17 oveq2 Could not format ( zO = Z -> ( B +s zO ) = ( B +s Z ) ) : No typesetting found for |- ( zO = Z -> ( B +s zO ) = ( B +s Z ) ) with typecode |-
18 17 oveq2d Could not format ( zO = Z -> ( A x.s ( B +s zO ) ) = ( A x.s ( B +s Z ) ) ) : No typesetting found for |- ( zO = Z -> ( A x.s ( B +s zO ) ) = ( A x.s ( B +s Z ) ) ) with typecode |-
19 oveq2 Could not format ( zO = Z -> ( A x.s zO ) = ( A x.s Z ) ) : No typesetting found for |- ( zO = Z -> ( A x.s zO ) = ( A x.s Z ) ) with typecode |-
20 19 oveq2d Could not format ( zO = Z -> ( ( A x.s B ) +s ( A x.s zO ) ) = ( ( A x.s B ) +s ( A x.s Z ) ) ) : No typesetting found for |- ( zO = Z -> ( ( A x.s B ) +s ( A x.s zO ) ) = ( ( A x.s B ) +s ( A x.s Z ) ) ) with typecode |-
21 18 20 eqeq12d Could not format ( zO = Z -> ( ( A x.s ( B +s zO ) ) = ( ( A x.s B ) +s ( A x.s zO ) ) <-> ( A x.s ( B +s Z ) ) = ( ( A x.s B ) +s ( A x.s Z ) ) ) ) : No typesetting found for |- ( zO = Z -> ( ( A x.s ( B +s zO ) ) = ( ( A x.s B ) +s ( A x.s zO ) ) <-> ( A x.s ( B +s Z ) ) = ( ( A x.s B ) +s ( A x.s Z ) ) ) ) with typecode |-
22 5 adantr Could not format ( ( ph /\ ps ) -> A. zO e. ( ( _Left ` C ) u. ( _Right ` C ) ) ( A x.s ( B +s zO ) ) = ( ( A x.s B ) +s ( A x.s zO ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> A. zO e. ( ( _Left ` C ) u. ( _Right ` C ) ) ( A x.s ( B +s zO ) ) = ( ( A x.s B ) +s ( A x.s zO ) ) ) with typecode |-
23 8 adantl Could not format ( ( ph /\ ps ) -> Z e. ( ( _Left ` C ) u. ( _Right ` C ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> Z e. ( ( _Left ` C ) u. ( _Right ` C ) ) ) with typecode |-
24 21 22 23 rspcdva Could not format ( ( ph /\ ps ) -> ( A x.s ( B +s Z ) ) = ( ( A x.s B ) +s ( A x.s Z ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> ( A x.s ( B +s Z ) ) = ( ( A x.s B ) +s ( A x.s Z ) ) ) with typecode |-
25 16 24 oveq12d Could not format ( ( ph /\ ps ) -> ( ( X x.s ( B +s C ) ) +s ( A x.s ( B +s Z ) ) ) = ( ( ( X x.s B ) +s ( X x.s C ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> ( ( X x.s ( B +s C ) ) +s ( A x.s ( B +s Z ) ) ) = ( ( ( X x.s B ) +s ( X x.s C ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) ) with typecode |-
26 oveq1 Could not format ( xO = X -> ( xO x.s ( B +s zO ) ) = ( X x.s ( B +s zO ) ) ) : No typesetting found for |- ( xO = X -> ( xO x.s ( B +s zO ) ) = ( X x.s ( B +s zO ) ) ) with typecode |-
27 oveq1 Could not format ( xO = X -> ( xO x.s zO ) = ( X x.s zO ) ) : No typesetting found for |- ( xO = X -> ( xO x.s zO ) = ( X x.s zO ) ) with typecode |-
28 10 27 oveq12d Could not format ( xO = X -> ( ( xO x.s B ) +s ( xO x.s zO ) ) = ( ( X x.s B ) +s ( X x.s zO ) ) ) : No typesetting found for |- ( xO = X -> ( ( xO x.s B ) +s ( xO x.s zO ) ) = ( ( X x.s B ) +s ( X x.s zO ) ) ) with typecode |-
29 26 28 eqeq12d Could not format ( xO = X -> ( ( xO x.s ( B +s zO ) ) = ( ( xO x.s B ) +s ( xO x.s zO ) ) <-> ( X x.s ( B +s zO ) ) = ( ( X x.s B ) +s ( X x.s zO ) ) ) ) : No typesetting found for |- ( xO = X -> ( ( xO x.s ( B +s zO ) ) = ( ( xO x.s B ) +s ( xO x.s zO ) ) <-> ( X x.s ( B +s zO ) ) = ( ( X x.s B ) +s ( X x.s zO ) ) ) ) with typecode |-
30 17 oveq2d Could not format ( zO = Z -> ( X x.s ( B +s zO ) ) = ( X x.s ( B +s Z ) ) ) : No typesetting found for |- ( zO = Z -> ( X x.s ( B +s zO ) ) = ( X x.s ( B +s Z ) ) ) with typecode |-
31 oveq2 Could not format ( zO = Z -> ( X x.s zO ) = ( X x.s Z ) ) : No typesetting found for |- ( zO = Z -> ( X x.s zO ) = ( X x.s Z ) ) with typecode |-
32 31 oveq2d Could not format ( zO = Z -> ( ( X x.s B ) +s ( X x.s zO ) ) = ( ( X x.s B ) +s ( X x.s Z ) ) ) : No typesetting found for |- ( zO = Z -> ( ( X x.s B ) +s ( X x.s zO ) ) = ( ( X x.s B ) +s ( X x.s Z ) ) ) with typecode |-
33 30 32 eqeq12d Could not format ( zO = Z -> ( ( X x.s ( B +s zO ) ) = ( ( X x.s B ) +s ( X x.s zO ) ) <-> ( X x.s ( B +s Z ) ) = ( ( X x.s B ) +s ( X x.s Z ) ) ) ) : No typesetting found for |- ( zO = Z -> ( ( X x.s ( B +s zO ) ) = ( ( X x.s B ) +s ( X x.s zO ) ) <-> ( X x.s ( B +s Z ) ) = ( ( X x.s B ) +s ( X x.s Z ) ) ) ) with typecode |-
34 6 adantr Could not format ( ( ph /\ ps ) -> A. xO e. ( ( _Left ` A ) u. ( _Right ` A ) ) A. zO e. ( ( _Left ` C ) u. ( _Right ` C ) ) ( xO x.s ( B +s zO ) ) = ( ( xO x.s B ) +s ( xO x.s zO ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> A. xO e. ( ( _Left ` A ) u. ( _Right ` A ) ) A. zO e. ( ( _Left ` C ) u. ( _Right ` C ) ) ( xO x.s ( B +s zO ) ) = ( ( xO x.s B ) +s ( xO x.s zO ) ) ) with typecode |-
35 29 33 34 15 23 rspc2dv Could not format ( ( ph /\ ps ) -> ( X x.s ( B +s Z ) ) = ( ( X x.s B ) +s ( X x.s Z ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> ( X x.s ( B +s Z ) ) = ( ( X x.s B ) +s ( X x.s Z ) ) ) with typecode |-
36 25 35 oveq12d Could not format ( ( ph /\ ps ) -> ( ( ( X x.s ( B +s C ) ) +s ( A x.s ( B +s Z ) ) ) -s ( X x.s ( B +s Z ) ) ) = ( ( ( ( X x.s B ) +s ( X x.s C ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) -s ( ( X x.s B ) +s ( X x.s Z ) ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> ( ( ( X x.s ( B +s C ) ) +s ( A x.s ( B +s Z ) ) ) -s ( X x.s ( B +s Z ) ) ) = ( ( ( ( X x.s B ) +s ( X x.s C ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) -s ( ( X x.s B ) +s ( X x.s Z ) ) ) ) with typecode |-
37 leftssno Could not format ( _Left ` A ) C_ No : No typesetting found for |- ( _Left ` A ) C_ No with typecode |-
38 rightssno Could not format ( _Right ` A ) C_ No : No typesetting found for |- ( _Right ` A ) C_ No with typecode |-
39 37 38 unssi Could not format ( ( _Left ` A ) u. ( _Right ` A ) ) C_ No : No typesetting found for |- ( ( _Left ` A ) u. ( _Right ` A ) ) C_ No with typecode |-
40 39 7 sselid ψ X No
41 40 adantl φ ψ X No
42 2 adantr φ ψ B No
43 41 42 mulscld Could not format ( ( ph /\ ps ) -> ( X x.s B ) e. No ) : No typesetting found for |- ( ( ph /\ ps ) -> ( X x.s B ) e. No ) with typecode |-
44 3 adantr φ ψ C No
45 41 44 mulscld Could not format ( ( ph /\ ps ) -> ( X x.s C ) e. No ) : No typesetting found for |- ( ( ph /\ ps ) -> ( X x.s C ) e. No ) with typecode |-
46 43 45 addscld Could not format ( ( ph /\ ps ) -> ( ( X x.s B ) +s ( X x.s C ) ) e. No ) : No typesetting found for |- ( ( ph /\ ps ) -> ( ( X x.s B ) +s ( X x.s C ) ) e. No ) with typecode |-
47 1 2 mulscld Could not format ( ph -> ( A x.s B ) e. No ) : No typesetting found for |- ( ph -> ( A x.s B ) e. No ) with typecode |-
48 47 adantr Could not format ( ( ph /\ ps ) -> ( A x.s B ) e. No ) : No typesetting found for |- ( ( ph /\ ps ) -> ( A x.s B ) e. No ) with typecode |-
49 1 adantr φ ψ A No
50 leftssno Could not format ( _Left ` C ) C_ No : No typesetting found for |- ( _Left ` C ) C_ No with typecode |-
51 rightssno Could not format ( _Right ` C ) C_ No : No typesetting found for |- ( _Right ` C ) C_ No with typecode |-
52 50 51 unssi Could not format ( ( _Left ` C ) u. ( _Right ` C ) ) C_ No : No typesetting found for |- ( ( _Left ` C ) u. ( _Right ` C ) ) C_ No with typecode |-
53 52 8 sselid ψ Z No
54 53 adantl φ ψ Z No
55 49 54 mulscld Could not format ( ( ph /\ ps ) -> ( A x.s Z ) e. No ) : No typesetting found for |- ( ( ph /\ ps ) -> ( A x.s Z ) e. No ) with typecode |-
56 48 55 addscld Could not format ( ( ph /\ ps ) -> ( ( A x.s B ) +s ( A x.s Z ) ) e. No ) : No typesetting found for |- ( ( ph /\ ps ) -> ( ( A x.s B ) +s ( A x.s Z ) ) e. No ) with typecode |-
57 46 56 addscld Could not format ( ( ph /\ ps ) -> ( ( ( X x.s B ) +s ( X x.s C ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) e. No ) : No typesetting found for |- ( ( ph /\ ps ) -> ( ( ( X x.s B ) +s ( X x.s C ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) e. No ) with typecode |-
58 41 54 mulscld Could not format ( ( ph /\ ps ) -> ( X x.s Z ) e. No ) : No typesetting found for |- ( ( ph /\ ps ) -> ( X x.s Z ) e. No ) with typecode |-
59 57 43 58 subsubs4d Could not format ( ( ph /\ ps ) -> ( ( ( ( ( X x.s B ) +s ( X x.s C ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) -s ( X x.s B ) ) -s ( X x.s Z ) ) = ( ( ( ( X x.s B ) +s ( X x.s C ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) -s ( ( X x.s B ) +s ( X x.s Z ) ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> ( ( ( ( ( X x.s B ) +s ( X x.s C ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) -s ( X x.s B ) ) -s ( X x.s Z ) ) = ( ( ( ( X x.s B ) +s ( X x.s C ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) -s ( ( X x.s B ) +s ( X x.s Z ) ) ) ) with typecode |-
60 46 56 43 addsubsd Could not format ( ( ph /\ ps ) -> ( ( ( ( X x.s B ) +s ( X x.s C ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) -s ( X x.s B ) ) = ( ( ( ( X x.s B ) +s ( X x.s C ) ) -s ( X x.s B ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> ( ( ( ( X x.s B ) +s ( X x.s C ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) -s ( X x.s B ) ) = ( ( ( ( X x.s B ) +s ( X x.s C ) ) -s ( X x.s B ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) ) with typecode |-
61 43 45 addscomd Could not format ( ( ph /\ ps ) -> ( ( X x.s B ) +s ( X x.s C ) ) = ( ( X x.s C ) +s ( X x.s B ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> ( ( X x.s B ) +s ( X x.s C ) ) = ( ( X x.s C ) +s ( X x.s B ) ) ) with typecode |-
62 61 oveq1d Could not format ( ( ph /\ ps ) -> ( ( ( X x.s B ) +s ( X x.s C ) ) -s ( X x.s B ) ) = ( ( ( X x.s C ) +s ( X x.s B ) ) -s ( X x.s B ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> ( ( ( X x.s B ) +s ( X x.s C ) ) -s ( X x.s B ) ) = ( ( ( X x.s C ) +s ( X x.s B ) ) -s ( X x.s B ) ) ) with typecode |-
63 pncans Could not format ( ( ( X x.s C ) e. No /\ ( X x.s B ) e. No ) -> ( ( ( X x.s C ) +s ( X x.s B ) ) -s ( X x.s B ) ) = ( X x.s C ) ) : No typesetting found for |- ( ( ( X x.s C ) e. No /\ ( X x.s B ) e. No ) -> ( ( ( X x.s C ) +s ( X x.s B ) ) -s ( X x.s B ) ) = ( X x.s C ) ) with typecode |-
64 45 43 63 syl2anc Could not format ( ( ph /\ ps ) -> ( ( ( X x.s C ) +s ( X x.s B ) ) -s ( X x.s B ) ) = ( X x.s C ) ) : No typesetting found for |- ( ( ph /\ ps ) -> ( ( ( X x.s C ) +s ( X x.s B ) ) -s ( X x.s B ) ) = ( X x.s C ) ) with typecode |-
65 62 64 eqtrd Could not format ( ( ph /\ ps ) -> ( ( ( X x.s B ) +s ( X x.s C ) ) -s ( X x.s B ) ) = ( X x.s C ) ) : No typesetting found for |- ( ( ph /\ ps ) -> ( ( ( X x.s B ) +s ( X x.s C ) ) -s ( X x.s B ) ) = ( X x.s C ) ) with typecode |-
66 65 oveq1d Could not format ( ( ph /\ ps ) -> ( ( ( ( X x.s B ) +s ( X x.s C ) ) -s ( X x.s B ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) = ( ( X x.s C ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> ( ( ( ( X x.s B ) +s ( X x.s C ) ) -s ( X x.s B ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) = ( ( X x.s C ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) ) with typecode |-
67 45 48 55 adds12d Could not format ( ( ph /\ ps ) -> ( ( X x.s C ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) = ( ( A x.s B ) +s ( ( X x.s C ) +s ( A x.s Z ) ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> ( ( X x.s C ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) = ( ( A x.s B ) +s ( ( X x.s C ) +s ( A x.s Z ) ) ) ) with typecode |-
68 60 66 67 3eqtrd Could not format ( ( ph /\ ps ) -> ( ( ( ( X x.s B ) +s ( X x.s C ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) -s ( X x.s B ) ) = ( ( A x.s B ) +s ( ( X x.s C ) +s ( A x.s Z ) ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> ( ( ( ( X x.s B ) +s ( X x.s C ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) -s ( X x.s B ) ) = ( ( A x.s B ) +s ( ( X x.s C ) +s ( A x.s Z ) ) ) ) with typecode |-
69 68 oveq1d Could not format ( ( ph /\ ps ) -> ( ( ( ( ( X x.s B ) +s ( X x.s C ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) -s ( X x.s B ) ) -s ( X x.s Z ) ) = ( ( ( A x.s B ) +s ( ( X x.s C ) +s ( A x.s Z ) ) ) -s ( X x.s Z ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> ( ( ( ( ( X x.s B ) +s ( X x.s C ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) -s ( X x.s B ) ) -s ( X x.s Z ) ) = ( ( ( A x.s B ) +s ( ( X x.s C ) +s ( A x.s Z ) ) ) -s ( X x.s Z ) ) ) with typecode |-
70 45 55 addscld Could not format ( ( ph /\ ps ) -> ( ( X x.s C ) +s ( A x.s Z ) ) e. No ) : No typesetting found for |- ( ( ph /\ ps ) -> ( ( X x.s C ) +s ( A x.s Z ) ) e. No ) with typecode |-
71 48 70 58 addsubsassd Could not format ( ( ph /\ ps ) -> ( ( ( A x.s B ) +s ( ( X x.s C ) +s ( A x.s Z ) ) ) -s ( X x.s Z ) ) = ( ( A x.s B ) +s ( ( ( X x.s C ) +s ( A x.s Z ) ) -s ( X x.s Z ) ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> ( ( ( A x.s B ) +s ( ( X x.s C ) +s ( A x.s Z ) ) ) -s ( X x.s Z ) ) = ( ( A x.s B ) +s ( ( ( X x.s C ) +s ( A x.s Z ) ) -s ( X x.s Z ) ) ) ) with typecode |-
72 69 71 eqtrd Could not format ( ( ph /\ ps ) -> ( ( ( ( ( X x.s B ) +s ( X x.s C ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) -s ( X x.s B ) ) -s ( X x.s Z ) ) = ( ( A x.s B ) +s ( ( ( X x.s C ) +s ( A x.s Z ) ) -s ( X x.s Z ) ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> ( ( ( ( ( X x.s B ) +s ( X x.s C ) ) +s ( ( A x.s B ) +s ( A x.s Z ) ) ) -s ( X x.s B ) ) -s ( X x.s Z ) ) = ( ( A x.s B ) +s ( ( ( X x.s C ) +s ( A x.s Z ) ) -s ( X x.s Z ) ) ) ) with typecode |-
73 36 59 72 3eqtr2d Could not format ( ( ph /\ ps ) -> ( ( ( X x.s ( B +s C ) ) +s ( A x.s ( B +s Z ) ) ) -s ( X x.s ( B +s Z ) ) ) = ( ( A x.s B ) +s ( ( ( X x.s C ) +s ( A x.s Z ) ) -s ( X x.s Z ) ) ) ) : No typesetting found for |- ( ( ph /\ ps ) -> ( ( ( X x.s ( B +s C ) ) +s ( A x.s ( B +s Z ) ) ) -s ( X x.s ( B +s Z ) ) ) = ( ( A x.s B ) +s ( ( ( X x.s C ) +s ( A x.s Z ) ) -s ( X x.s Z ) ) ) ) with typecode |-