Proof of Theorem lpssat
Step | Hyp | Ref
| Expression |
1 | | lpssat.l |
. . . 4
⊢ (𝜑 → 𝑇 ⊊ 𝑈) |
2 | | dfpss3 4017 |
. . . . 5
⊢ (𝑇 ⊊ 𝑈 ↔ (𝑇 ⊆ 𝑈 ∧ ¬ 𝑈 ⊆ 𝑇)) |
3 | 2 | simprbi 496 |
. . . 4
⊢ (𝑇 ⊊ 𝑈 → ¬ 𝑈 ⊆ 𝑇) |
4 | 1, 3 | syl 17 |
. . 3
⊢ (𝜑 → ¬ 𝑈 ⊆ 𝑇) |
5 | | iman 401 |
. . . . 5
⊢ ((𝑞 ⊆ 𝑈 → 𝑞 ⊆ 𝑇) ↔ ¬ (𝑞 ⊆ 𝑈 ∧ ¬ 𝑞 ⊆ 𝑇)) |
6 | 5 | ralbii 3090 |
. . . 4
⊢
(∀𝑞 ∈
𝐴 (𝑞 ⊆ 𝑈 → 𝑞 ⊆ 𝑇) ↔ ∀𝑞 ∈ 𝐴 ¬ (𝑞 ⊆ 𝑈 ∧ ¬ 𝑞 ⊆ 𝑇)) |
7 | | ss2rab 4000 |
. . . . 5
⊢ ({𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑈} ⊆ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇} ↔ ∀𝑞 ∈ 𝐴 (𝑞 ⊆ 𝑈 → 𝑞 ⊆ 𝑇)) |
8 | | lpssat.w |
. . . . . . . . 9
⊢ (𝜑 → 𝑊 ∈ LMod) |
9 | 8 | adantr 480 |
. . . . . . . 8
⊢ ((𝜑 ∧ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑈} ⊆ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇}) → 𝑊 ∈ LMod) |
10 | | lpssat.s |
. . . . . . . . . . . 12
⊢ 𝑆 = (LSubSp‘𝑊) |
11 | | lpssat.a |
. . . . . . . . . . . 12
⊢ 𝐴 = (LSAtoms‘𝑊) |
12 | 10, 11 | lsatlss 36937 |
. . . . . . . . . . 11
⊢ (𝑊 ∈ LMod → 𝐴 ⊆ 𝑆) |
13 | | rabss2 4007 |
. . . . . . . . . . 11
⊢ (𝐴 ⊆ 𝑆 → {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇} ⊆ {𝑞 ∈ 𝑆 ∣ 𝑞 ⊆ 𝑇}) |
14 | | uniss 4844 |
. . . . . . . . . . 11
⊢ ({𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇} ⊆ {𝑞 ∈ 𝑆 ∣ 𝑞 ⊆ 𝑇} → ∪ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇} ⊆ ∪
{𝑞 ∈ 𝑆 ∣ 𝑞 ⊆ 𝑇}) |
15 | 8, 12, 13, 14 | 4syl 19 |
. . . . . . . . . 10
⊢ (𝜑 → ∪ {𝑞
∈ 𝐴 ∣ 𝑞 ⊆ 𝑇} ⊆ ∪
{𝑞 ∈ 𝑆 ∣ 𝑞 ⊆ 𝑇}) |
16 | | lpssat.t |
. . . . . . . . . . . 12
⊢ (𝜑 → 𝑇 ∈ 𝑆) |
17 | | unimax 4874 |
. . . . . . . . . . . 12
⊢ (𝑇 ∈ 𝑆 → ∪ {𝑞 ∈ 𝑆 ∣ 𝑞 ⊆ 𝑇} = 𝑇) |
18 | 16, 17 | syl 17 |
. . . . . . . . . . 11
⊢ (𝜑 → ∪ {𝑞
∈ 𝑆 ∣ 𝑞 ⊆ 𝑇} = 𝑇) |
19 | | eqid 2738 |
. . . . . . . . . . . . 13
⊢
(Base‘𝑊) =
(Base‘𝑊) |
20 | 19, 10 | lssss 20113 |
. . . . . . . . . . . 12
⊢ (𝑇 ∈ 𝑆 → 𝑇 ⊆ (Base‘𝑊)) |
21 | 16, 20 | syl 17 |
. . . . . . . . . . 11
⊢ (𝜑 → 𝑇 ⊆ (Base‘𝑊)) |
22 | 18, 21 | eqsstrd 3955 |
. . . . . . . . . 10
⊢ (𝜑 → ∪ {𝑞
∈ 𝑆 ∣ 𝑞 ⊆ 𝑇} ⊆ (Base‘𝑊)) |
23 | 15, 22 | sstrd 3927 |
. . . . . . . . 9
⊢ (𝜑 → ∪ {𝑞
∈ 𝐴 ∣ 𝑞 ⊆ 𝑇} ⊆ (Base‘𝑊)) |
24 | 23 | adantr 480 |
. . . . . . . 8
⊢ ((𝜑 ∧ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑈} ⊆ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇}) → ∪
{𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇} ⊆ (Base‘𝑊)) |
25 | | uniss 4844 |
. . . . . . . . 9
⊢ ({𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑈} ⊆ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇} → ∪ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑈} ⊆ ∪
{𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇}) |
26 | 25 | adantl 481 |
. . . . . . . 8
⊢ ((𝜑 ∧ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑈} ⊆ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇}) → ∪
{𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑈} ⊆ ∪
{𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇}) |
27 | | eqid 2738 |
. . . . . . . . 9
⊢
(LSpan‘𝑊) =
(LSpan‘𝑊) |
28 | 19, 27 | lspss 20161 |
. . . . . . . 8
⊢ ((𝑊 ∈ LMod ∧ ∪ {𝑞
∈ 𝐴 ∣ 𝑞 ⊆ 𝑇} ⊆ (Base‘𝑊) ∧ ∪ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑈} ⊆ ∪
{𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇}) → ((LSpan‘𝑊)‘∪ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑈}) ⊆ ((LSpan‘𝑊)‘∪ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇})) |
29 | 9, 24, 26, 28 | syl3anc 1369 |
. . . . . . 7
⊢ ((𝜑 ∧ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑈} ⊆ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇}) → ((LSpan‘𝑊)‘∪ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑈}) ⊆ ((LSpan‘𝑊)‘∪ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇})) |
30 | | lpssat.u |
. . . . . . . . 9
⊢ (𝜑 → 𝑈 ∈ 𝑆) |
31 | 10, 27, 11 | lssats 36953 |
. . . . . . . . 9
⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆) → 𝑈 = ((LSpan‘𝑊)‘∪ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑈})) |
32 | 8, 30, 31 | syl2anc 583 |
. . . . . . . 8
⊢ (𝜑 → 𝑈 = ((LSpan‘𝑊)‘∪ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑈})) |
33 | 32 | adantr 480 |
. . . . . . 7
⊢ ((𝜑 ∧ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑈} ⊆ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇}) → 𝑈 = ((LSpan‘𝑊)‘∪ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑈})) |
34 | 10, 27, 11 | lssats 36953 |
. . . . . . . . 9
⊢ ((𝑊 ∈ LMod ∧ 𝑇 ∈ 𝑆) → 𝑇 = ((LSpan‘𝑊)‘∪ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇})) |
35 | 8, 16, 34 | syl2anc 583 |
. . . . . . . 8
⊢ (𝜑 → 𝑇 = ((LSpan‘𝑊)‘∪ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇})) |
36 | 35 | adantr 480 |
. . . . . . 7
⊢ ((𝜑 ∧ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑈} ⊆ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇}) → 𝑇 = ((LSpan‘𝑊)‘∪ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇})) |
37 | 29, 33, 36 | 3sstr4d 3964 |
. . . . . 6
⊢ ((𝜑 ∧ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑈} ⊆ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇}) → 𝑈 ⊆ 𝑇) |
38 | 37 | ex 412 |
. . . . 5
⊢ (𝜑 → ({𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑈} ⊆ {𝑞 ∈ 𝐴 ∣ 𝑞 ⊆ 𝑇} → 𝑈 ⊆ 𝑇)) |
39 | 7, 38 | syl5bir 242 |
. . . 4
⊢ (𝜑 → (∀𝑞 ∈ 𝐴 (𝑞 ⊆ 𝑈 → 𝑞 ⊆ 𝑇) → 𝑈 ⊆ 𝑇)) |
40 | 6, 39 | syl5bir 242 |
. . 3
⊢ (𝜑 → (∀𝑞 ∈ 𝐴 ¬ (𝑞 ⊆ 𝑈 ∧ ¬ 𝑞 ⊆ 𝑇) → 𝑈 ⊆ 𝑇)) |
41 | 4, 40 | mtod 197 |
. 2
⊢ (𝜑 → ¬ ∀𝑞 ∈ 𝐴 ¬ (𝑞 ⊆ 𝑈 ∧ ¬ 𝑞 ⊆ 𝑇)) |
42 | | dfrex2 3166 |
. 2
⊢
(∃𝑞 ∈
𝐴 (𝑞 ⊆ 𝑈 ∧ ¬ 𝑞 ⊆ 𝑇) ↔ ¬ ∀𝑞 ∈ 𝐴 ¬ (𝑞 ⊆ 𝑈 ∧ ¬ 𝑞 ⊆ 𝑇)) |
43 | 41, 42 | sylibr 233 |
1
⊢ (𝜑 → ∃𝑞 ∈ 𝐴 (𝑞 ⊆ 𝑈 ∧ ¬ 𝑞 ⊆ 𝑇)) |