| Step | Hyp | Ref
| Expression |
| 1 | | rellindf 20147 |
. . . 4
⊢ Rel
LIndF |
| 2 | 1 | brrelexi 5158 |
. . 3
⊢ (𝐹 LIndF 𝑋 → 𝐹 ∈ V) |
| 3 | 2 | a1i 11 |
. 2
⊢ ((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) → (𝐹 LIndF 𝑋 → 𝐹 ∈ V)) |
| 4 | 1 | brrelexi 5158 |
. . 3
⊢ (𝐹 LIndF 𝑊 → 𝐹 ∈ V) |
| 5 | 4 | a1i 11 |
. 2
⊢ ((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) → (𝐹 LIndF 𝑊 → 𝐹 ∈ V)) |
| 6 | | simpr 477 |
. . . . . . . 8
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹:dom 𝐹⟶(Base‘𝑋)) → 𝐹:dom 𝐹⟶(Base‘𝑋)) |
| 7 | | lsslindf.x |
. . . . . . . . 9
⊢ 𝑋 = (𝑊 ↾s 𝑆) |
| 8 | | eqid 2622 |
. . . . . . . . 9
⊢
(Base‘𝑊) =
(Base‘𝑊) |
| 9 | 7, 8 | ressbasss 15932 |
. . . . . . . 8
⊢
(Base‘𝑋)
⊆ (Base‘𝑊) |
| 10 | | fss 6056 |
. . . . . . . 8
⊢ ((𝐹:dom 𝐹⟶(Base‘𝑋) ∧ (Base‘𝑋) ⊆ (Base‘𝑊)) → 𝐹:dom 𝐹⟶(Base‘𝑊)) |
| 11 | 6, 9, 10 | sylancl 694 |
. . . . . . 7
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹:dom 𝐹⟶(Base‘𝑋)) → 𝐹:dom 𝐹⟶(Base‘𝑊)) |
| 12 | | ffn 6045 |
. . . . . . . . 9
⊢ (𝐹:dom 𝐹⟶(Base‘𝑊) → 𝐹 Fn dom 𝐹) |
| 13 | 12 | adantl 482 |
. . . . . . . 8
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹:dom 𝐹⟶(Base‘𝑊)) → 𝐹 Fn dom 𝐹) |
| 14 | | simp3 1063 |
. . . . . . . . . 10
⊢ ((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) → ran 𝐹 ⊆ 𝑆) |
| 15 | | lsslindf.u |
. . . . . . . . . . . . 13
⊢ 𝑈 = (LSubSp‘𝑊) |
| 16 | 8, 15 | lssss 18937 |
. . . . . . . . . . . 12
⊢ (𝑆 ∈ 𝑈 → 𝑆 ⊆ (Base‘𝑊)) |
| 17 | 16 | 3ad2ant2 1083 |
. . . . . . . . . . 11
⊢ ((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) → 𝑆 ⊆ (Base‘𝑊)) |
| 18 | 7, 8 | ressbas2 15931 |
. . . . . . . . . . 11
⊢ (𝑆 ⊆ (Base‘𝑊) → 𝑆 = (Base‘𝑋)) |
| 19 | 17, 18 | syl 17 |
. . . . . . . . . 10
⊢ ((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) → 𝑆 = (Base‘𝑋)) |
| 20 | 14, 19 | sseqtrd 3641 |
. . . . . . . . 9
⊢ ((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) → ran 𝐹 ⊆ (Base‘𝑋)) |
| 21 | 20 | adantr 481 |
. . . . . . . 8
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹:dom 𝐹⟶(Base‘𝑊)) → ran 𝐹 ⊆ (Base‘𝑋)) |
| 22 | | df-f 5892 |
. . . . . . . 8
⊢ (𝐹:dom 𝐹⟶(Base‘𝑋) ↔ (𝐹 Fn dom 𝐹 ∧ ran 𝐹 ⊆ (Base‘𝑋))) |
| 23 | 13, 21, 22 | sylanbrc 698 |
. . . . . . 7
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹:dom 𝐹⟶(Base‘𝑊)) → 𝐹:dom 𝐹⟶(Base‘𝑋)) |
| 24 | 11, 23 | impbida 877 |
. . . . . 6
⊢ ((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) → (𝐹:dom 𝐹⟶(Base‘𝑋) ↔ 𝐹:dom 𝐹⟶(Base‘𝑊))) |
| 25 | 24 | adantr 481 |
. . . . 5
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) → (𝐹:dom 𝐹⟶(Base‘𝑋) ↔ 𝐹:dom 𝐹⟶(Base‘𝑊))) |
| 26 | | simpl2 1065 |
. . . . . . . . . 10
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) → 𝑆 ∈ 𝑈) |
| 27 | | eqid 2622 |
. . . . . . . . . . . 12
⊢
(Scalar‘𝑊) =
(Scalar‘𝑊) |
| 28 | 7, 27 | resssca 16031 |
. . . . . . . . . . 11
⊢ (𝑆 ∈ 𝑈 → (Scalar‘𝑊) = (Scalar‘𝑋)) |
| 29 | 28 | eqcomd 2628 |
. . . . . . . . . 10
⊢ (𝑆 ∈ 𝑈 → (Scalar‘𝑋) = (Scalar‘𝑊)) |
| 30 | 26, 29 | syl 17 |
. . . . . . . . 9
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) → (Scalar‘𝑋) = (Scalar‘𝑊)) |
| 31 | 30 | fveq2d 6195 |
. . . . . . . 8
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) →
(Base‘(Scalar‘𝑋)) = (Base‘(Scalar‘𝑊))) |
| 32 | 30 | fveq2d 6195 |
. . . . . . . . 9
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) →
(0g‘(Scalar‘𝑋)) =
(0g‘(Scalar‘𝑊))) |
| 33 | 32 | sneqd 4189 |
. . . . . . . 8
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) →
{(0g‘(Scalar‘𝑋))} =
{(0g‘(Scalar‘𝑊))}) |
| 34 | 31, 33 | difeq12d 3729 |
. . . . . . 7
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) →
((Base‘(Scalar‘𝑋)) ∖
{(0g‘(Scalar‘𝑋))}) = ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))})) |
| 35 | | eqid 2622 |
. . . . . . . . . . . . 13
⊢ (
·𝑠 ‘𝑊) = ( ·𝑠
‘𝑊) |
| 36 | 7, 35 | ressvsca 16032 |
. . . . . . . . . . . 12
⊢ (𝑆 ∈ 𝑈 → (
·𝑠 ‘𝑊) = ( ·𝑠
‘𝑋)) |
| 37 | 36 | eqcomd 2628 |
. . . . . . . . . . 11
⊢ (𝑆 ∈ 𝑈 → (
·𝑠 ‘𝑋) = ( ·𝑠
‘𝑊)) |
| 38 | 26, 37 | syl 17 |
. . . . . . . . . 10
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) → (
·𝑠 ‘𝑋) = ( ·𝑠
‘𝑊)) |
| 39 | 38 | oveqd 6667 |
. . . . . . . . 9
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) → (𝑘( ·𝑠
‘𝑋)(𝐹‘𝑥)) = (𝑘( ·𝑠
‘𝑊)(𝐹‘𝑥))) |
| 40 | | simpl1 1064 |
. . . . . . . . . . 11
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) → 𝑊 ∈ LMod) |
| 41 | | imassrn 5477 |
. . . . . . . . . . . 12
⊢ (𝐹 “ (dom 𝐹 ∖ {𝑥})) ⊆ ran 𝐹 |
| 42 | | simpl3 1066 |
. . . . . . . . . . . 12
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) → ran 𝐹 ⊆ 𝑆) |
| 43 | 41, 42 | syl5ss 3614 |
. . . . . . . . . . 11
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) → (𝐹 “ (dom 𝐹 ∖ {𝑥})) ⊆ 𝑆) |
| 44 | | eqid 2622 |
. . . . . . . . . . . 12
⊢
(LSpan‘𝑊) =
(LSpan‘𝑊) |
| 45 | | eqid 2622 |
. . . . . . . . . . . 12
⊢
(LSpan‘𝑋) =
(LSpan‘𝑋) |
| 46 | 7, 44, 45, 15 | lsslsp 19015 |
. . . . . . . . . . 11
⊢ ((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ (𝐹 “ (dom 𝐹 ∖ {𝑥})) ⊆ 𝑆) → ((LSpan‘𝑊)‘(𝐹 “ (dom 𝐹 ∖ {𝑥}))) = ((LSpan‘𝑋)‘(𝐹 “ (dom 𝐹 ∖ {𝑥})))) |
| 47 | 40, 26, 43, 46 | syl3anc 1326 |
. . . . . . . . . 10
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) → ((LSpan‘𝑊)‘(𝐹 “ (dom 𝐹 ∖ {𝑥}))) = ((LSpan‘𝑋)‘(𝐹 “ (dom 𝐹 ∖ {𝑥})))) |
| 48 | 47 | eqcomd 2628 |
. . . . . . . . 9
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) → ((LSpan‘𝑋)‘(𝐹 “ (dom 𝐹 ∖ {𝑥}))) = ((LSpan‘𝑊)‘(𝐹 “ (dom 𝐹 ∖ {𝑥})))) |
| 49 | 39, 48 | eleq12d 2695 |
. . . . . . . 8
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) → ((𝑘( ·𝑠
‘𝑋)(𝐹‘𝑥)) ∈ ((LSpan‘𝑋)‘(𝐹 “ (dom 𝐹 ∖ {𝑥}))) ↔ (𝑘( ·𝑠
‘𝑊)(𝐹‘𝑥)) ∈ ((LSpan‘𝑊)‘(𝐹 “ (dom 𝐹 ∖ {𝑥}))))) |
| 50 | 49 | notbid 308 |
. . . . . . 7
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) → (¬ (𝑘( ·𝑠
‘𝑋)(𝐹‘𝑥)) ∈ ((LSpan‘𝑋)‘(𝐹 “ (dom 𝐹 ∖ {𝑥}))) ↔ ¬ (𝑘( ·𝑠
‘𝑊)(𝐹‘𝑥)) ∈ ((LSpan‘𝑊)‘(𝐹 “ (dom 𝐹 ∖ {𝑥}))))) |
| 51 | 34, 50 | raleqbidv 3152 |
. . . . . 6
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) → (∀𝑘 ∈
((Base‘(Scalar‘𝑋)) ∖
{(0g‘(Scalar‘𝑋))}) ¬ (𝑘( ·𝑠
‘𝑋)(𝐹‘𝑥)) ∈ ((LSpan‘𝑋)‘(𝐹 “ (dom 𝐹 ∖ {𝑥}))) ↔ ∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)(𝐹‘𝑥)) ∈ ((LSpan‘𝑊)‘(𝐹 “ (dom 𝐹 ∖ {𝑥}))))) |
| 52 | 51 | ralbidv 2986 |
. . . . 5
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) → (∀𝑥 ∈ dom 𝐹∀𝑘 ∈ ((Base‘(Scalar‘𝑋)) ∖
{(0g‘(Scalar‘𝑋))}) ¬ (𝑘( ·𝑠
‘𝑋)(𝐹‘𝑥)) ∈ ((LSpan‘𝑋)‘(𝐹 “ (dom 𝐹 ∖ {𝑥}))) ↔ ∀𝑥 ∈ dom 𝐹∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)(𝐹‘𝑥)) ∈ ((LSpan‘𝑊)‘(𝐹 “ (dom 𝐹 ∖ {𝑥}))))) |
| 53 | 25, 52 | anbi12d 747 |
. . . 4
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) → ((𝐹:dom 𝐹⟶(Base‘𝑋) ∧ ∀𝑥 ∈ dom 𝐹∀𝑘 ∈ ((Base‘(Scalar‘𝑋)) ∖
{(0g‘(Scalar‘𝑋))}) ¬ (𝑘( ·𝑠
‘𝑋)(𝐹‘𝑥)) ∈ ((LSpan‘𝑋)‘(𝐹 “ (dom 𝐹 ∖ {𝑥})))) ↔ (𝐹:dom 𝐹⟶(Base‘𝑊) ∧ ∀𝑥 ∈ dom 𝐹∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)(𝐹‘𝑥)) ∈ ((LSpan‘𝑊)‘(𝐹 “ (dom 𝐹 ∖ {𝑥})))))) |
| 54 | | ovex 6678 |
. . . . . . 7
⊢ (𝑊 ↾s 𝑆) ∈ V |
| 55 | 7, 54 | eqeltri 2697 |
. . . . . 6
⊢ 𝑋 ∈ V |
| 56 | 55 | a1i 11 |
. . . . 5
⊢ ((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) → 𝑋 ∈ V) |
| 57 | | eqid 2622 |
. . . . . 6
⊢
(Base‘𝑋) =
(Base‘𝑋) |
| 58 | | eqid 2622 |
. . . . . 6
⊢ (
·𝑠 ‘𝑋) = ( ·𝑠
‘𝑋) |
| 59 | | eqid 2622 |
. . . . . 6
⊢
(Scalar‘𝑋) =
(Scalar‘𝑋) |
| 60 | | eqid 2622 |
. . . . . 6
⊢
(Base‘(Scalar‘𝑋)) = (Base‘(Scalar‘𝑋)) |
| 61 | | eqid 2622 |
. . . . . 6
⊢
(0g‘(Scalar‘𝑋)) =
(0g‘(Scalar‘𝑋)) |
| 62 | 57, 58, 45, 59, 60, 61 | islindf 20151 |
. . . . 5
⊢ ((𝑋 ∈ V ∧ 𝐹 ∈ V) → (𝐹 LIndF 𝑋 ↔ (𝐹:dom 𝐹⟶(Base‘𝑋) ∧ ∀𝑥 ∈ dom 𝐹∀𝑘 ∈ ((Base‘(Scalar‘𝑋)) ∖
{(0g‘(Scalar‘𝑋))}) ¬ (𝑘( ·𝑠
‘𝑋)(𝐹‘𝑥)) ∈ ((LSpan‘𝑋)‘(𝐹 “ (dom 𝐹 ∖ {𝑥})))))) |
| 63 | 56, 62 | sylan 488 |
. . . 4
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) → (𝐹 LIndF 𝑋 ↔ (𝐹:dom 𝐹⟶(Base‘𝑋) ∧ ∀𝑥 ∈ dom 𝐹∀𝑘 ∈ ((Base‘(Scalar‘𝑋)) ∖
{(0g‘(Scalar‘𝑋))}) ¬ (𝑘( ·𝑠
‘𝑋)(𝐹‘𝑥)) ∈ ((LSpan‘𝑋)‘(𝐹 “ (dom 𝐹 ∖ {𝑥})))))) |
| 64 | | eqid 2622 |
. . . . . 6
⊢
(Base‘(Scalar‘𝑊)) = (Base‘(Scalar‘𝑊)) |
| 65 | | eqid 2622 |
. . . . . 6
⊢
(0g‘(Scalar‘𝑊)) =
(0g‘(Scalar‘𝑊)) |
| 66 | 8, 35, 44, 27, 64, 65 | islindf 20151 |
. . . . 5
⊢ ((𝑊 ∈ LMod ∧ 𝐹 ∈ V) → (𝐹 LIndF 𝑊 ↔ (𝐹:dom 𝐹⟶(Base‘𝑊) ∧ ∀𝑥 ∈ dom 𝐹∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)(𝐹‘𝑥)) ∈ ((LSpan‘𝑊)‘(𝐹 “ (dom 𝐹 ∖ {𝑥})))))) |
| 67 | 66 | 3ad2antl1 1223 |
. . . 4
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) → (𝐹 LIndF 𝑊 ↔ (𝐹:dom 𝐹⟶(Base‘𝑊) ∧ ∀𝑥 ∈ dom 𝐹∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)(𝐹‘𝑥)) ∈ ((LSpan‘𝑊)‘(𝐹 “ (dom 𝐹 ∖ {𝑥})))))) |
| 68 | 53, 63, 67 | 3bitr4d 300 |
. . 3
⊢ (((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) ∧ 𝐹 ∈ V) → (𝐹 LIndF 𝑋 ↔ 𝐹 LIndF 𝑊)) |
| 69 | 68 | ex 450 |
. 2
⊢ ((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) → (𝐹 ∈ V → (𝐹 LIndF 𝑋 ↔ 𝐹 LIndF 𝑊))) |
| 70 | 3, 5, 69 | pm5.21ndd 369 |
1
⊢ ((𝑊 ∈ LMod ∧ 𝑆 ∈ 𝑈 ∧ ran 𝐹 ⊆ 𝑆) → (𝐹 LIndF 𝑋 ↔ 𝐹 LIndF 𝑊)) |