Proof of Theorem suplocsrlemb
| Step | Hyp | Ref
 | Expression | 
| 1 |   | simpr 110 | 
. . . . . 6
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → 𝑢<P 𝑣) | 
| 2 |   | simplrl 535 | 
. . . . . . 7
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → 𝑢 ∈ P) | 
| 3 |   | simplrr 536 | 
. . . . . . 7
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → 𝑣 ∈ P) | 
| 4 |   | suplocsrlem.ss | 
. . . . . . . . 9
⊢ (𝜑 → 𝐴 ⊆ R) | 
| 5 |   | suplocsrlem.c | 
. . . . . . . . 9
⊢ (𝜑 → 𝐶 ∈ 𝐴) | 
| 6 | 4, 5 | sseldd 3184 | 
. . . . . . . 8
⊢ (𝜑 → 𝐶 ∈ R) | 
| 7 | 6 | ad2antrr 488 | 
. . . . . . 7
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → 𝐶 ∈ R) | 
| 8 |   | ltpsrprg 7870 | 
. . . . . . 7
⊢ ((𝑢 ∈ P ∧
𝑣 ∈ P
∧ 𝐶 ∈
R) → ((𝐶
+R [〈𝑢, 1P〉]
~R ) <R (𝐶 +R [〈𝑣,
1P〉] ~R ) ↔ 𝑢<P
𝑣)) | 
| 9 | 2, 3, 7, 8 | syl3anc 1249 | 
. . . . . 6
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → ((𝐶 +R [〈𝑢,
1P〉] ~R )
<R (𝐶 +R [〈𝑣,
1P〉] ~R ) ↔ 𝑢<P
𝑣)) | 
| 10 | 1, 9 | mpbird 167 | 
. . . . 5
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → (𝐶 +R [〈𝑢,
1P〉] ~R )
<R (𝐶 +R [〈𝑣,
1P〉] ~R
)) | 
| 11 |   | breq2 4037 | 
. . . . . . 7
⊢ (𝑦 = (𝐶 +R [〈𝑣,
1P〉] ~R ) → ((𝐶 +R
[〈𝑢,
1P〉] ~R )
<R 𝑦 ↔ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R (𝐶 +R [〈𝑣,
1P〉] ~R
))) | 
| 12 |   | breq2 4037 | 
. . . . . . . . 9
⊢ (𝑦 = (𝐶 +R [〈𝑣,
1P〉] ~R ) → (𝑧 <R
𝑦 ↔ 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R
))) | 
| 13 | 12 | ralbidv 2497 | 
. . . . . . . 8
⊢ (𝑦 = (𝐶 +R [〈𝑣,
1P〉] ~R ) →
(∀𝑧 ∈ 𝐴 𝑧 <R 𝑦 ↔ ∀𝑧 ∈ 𝐴 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R
))) | 
| 14 | 13 | orbi2d 791 | 
. . . . . . 7
⊢ (𝑦 = (𝐶 +R [〈𝑣,
1P〉] ~R ) →
((∃𝑧 ∈ 𝐴 (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧 ∨ ∀𝑧 ∈ 𝐴 𝑧 <R 𝑦) ↔ (∃𝑧 ∈ 𝐴 (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧 ∨ ∀𝑧 ∈ 𝐴 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R
)))) | 
| 15 | 11, 14 | imbi12d 234 | 
. . . . . 6
⊢ (𝑦 = (𝐶 +R [〈𝑣,
1P〉] ~R ) →
(((𝐶
+R [〈𝑢, 1P〉]
~R ) <R 𝑦 → (∃𝑧 ∈ 𝐴 (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧 ∨ ∀𝑧 ∈ 𝐴 𝑧 <R 𝑦)) ↔ ((𝐶 +R [〈𝑢,
1P〉] ~R )
<R (𝐶 +R [〈𝑣,
1P〉] ~R ) →
(∃𝑧 ∈ 𝐴 (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧 ∨ ∀𝑧 ∈ 𝐴 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R
))))) | 
| 16 |   | breq1 4036 | 
. . . . . . . . 9
⊢ (𝑥 = (𝐶 +R [〈𝑢,
1P〉] ~R ) → (𝑥 <R
𝑦 ↔ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑦)) | 
| 17 |   | breq1 4036 | 
. . . . . . . . . . 11
⊢ (𝑥 = (𝐶 +R [〈𝑢,
1P〉] ~R ) → (𝑥 <R
𝑧 ↔ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧)) | 
| 18 | 17 | rexbidv 2498 | 
. . . . . . . . . 10
⊢ (𝑥 = (𝐶 +R [〈𝑢,
1P〉] ~R ) →
(∃𝑧 ∈ 𝐴 𝑥 <R 𝑧 ↔ ∃𝑧 ∈ 𝐴 (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧)) | 
| 19 | 18 | orbi1d 792 | 
. . . . . . . . 9
⊢ (𝑥 = (𝐶 +R [〈𝑢,
1P〉] ~R ) →
((∃𝑧 ∈ 𝐴 𝑥 <R 𝑧 ∨ ∀𝑧 ∈ 𝐴 𝑧 <R 𝑦) ↔ (∃𝑧 ∈ 𝐴 (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧 ∨ ∀𝑧 ∈ 𝐴 𝑧 <R 𝑦))) | 
| 20 | 16, 19 | imbi12d 234 | 
. . . . . . . 8
⊢ (𝑥 = (𝐶 +R [〈𝑢,
1P〉] ~R ) → ((𝑥 <R
𝑦 → (∃𝑧 ∈ 𝐴 𝑥 <R 𝑧 ∨ ∀𝑧 ∈ 𝐴 𝑧 <R 𝑦)) ↔ ((𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑦 → (∃𝑧 ∈ 𝐴 (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧 ∨ ∀𝑧 ∈ 𝐴 𝑧 <R 𝑦)))) | 
| 21 | 20 | ralbidv 2497 | 
. . . . . . 7
⊢ (𝑥 = (𝐶 +R [〈𝑢,
1P〉] ~R ) →
(∀𝑦 ∈
R (𝑥
<R 𝑦 → (∃𝑧 ∈ 𝐴 𝑥 <R 𝑧 ∨ ∀𝑧 ∈ 𝐴 𝑧 <R 𝑦)) ↔ ∀𝑦 ∈ R ((𝐶 +R
[〈𝑢,
1P〉] ~R )
<R 𝑦 → (∃𝑧 ∈ 𝐴 (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧 ∨ ∀𝑧 ∈ 𝐴 𝑧 <R 𝑦)))) | 
| 22 |   | suplocsrlem.loc | 
. . . . . . . 8
⊢ (𝜑 → ∀𝑥 ∈ R ∀𝑦 ∈ R (𝑥 <R
𝑦 → (∃𝑧 ∈ 𝐴 𝑥 <R 𝑧 ∨ ∀𝑧 ∈ 𝐴 𝑧 <R 𝑦))) | 
| 23 | 22 | ad2antrr 488 | 
. . . . . . 7
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → ∀𝑥 ∈ R
∀𝑦 ∈
R (𝑥
<R 𝑦 → (∃𝑧 ∈ 𝐴 𝑥 <R 𝑧 ∨ ∀𝑧 ∈ 𝐴 𝑧 <R 𝑦))) | 
| 24 |   | 1pr 7621 | 
. . . . . . . . . . . 12
⊢
1P ∈ P | 
| 25 | 24 | a1i 9 | 
. . . . . . . . . . 11
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) →
1P ∈ P) | 
| 26 | 2, 25 | opelxpd 4696 | 
. . . . . . . . . 10
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → 〈𝑢,
1P〉 ∈ (P ×
P)) | 
| 27 |   | enrex 7804 | 
. . . . . . . . . . 11
⊢ 
~R ∈ V | 
| 28 | 27 | ecelqsi 6648 | 
. . . . . . . . . 10
⊢
(〈𝑢,
1P〉 ∈ (P ×
P) → [〈𝑢, 1P〉]
~R ∈ ((P × P)
/ ~R )) | 
| 29 | 26, 28 | syl 14 | 
. . . . . . . . 9
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → [〈𝑢,
1P〉] ~R ∈
((P × P) / ~R
)) | 
| 30 |   | df-nr 7794 | 
. . . . . . . . 9
⊢
R = ((P × P) /
~R ) | 
| 31 | 29, 30 | eleqtrrdi 2290 | 
. . . . . . . 8
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → [〈𝑢,
1P〉] ~R ∈
R) | 
| 32 |   | addclsr 7820 | 
. . . . . . . 8
⊢ ((𝐶 ∈ R ∧
[〈𝑢,
1P〉] ~R ∈
R) → (𝐶
+R [〈𝑢, 1P〉]
~R ) ∈ R) | 
| 33 | 7, 31, 32 | syl2anc 411 | 
. . . . . . 7
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → (𝐶 +R [〈𝑢,
1P〉] ~R ) ∈
R) | 
| 34 | 21, 23, 33 | rspcdva 2873 | 
. . . . . 6
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → ∀𝑦 ∈ R ((𝐶 +R
[〈𝑢,
1P〉] ~R )
<R 𝑦 → (∃𝑧 ∈ 𝐴 (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧 ∨ ∀𝑧 ∈ 𝐴 𝑧 <R 𝑦))) | 
| 35 | 3, 25 | opelxpd 4696 | 
. . . . . . . 8
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → 〈𝑣,
1P〉 ∈ (P ×
P)) | 
| 36 | 27 | ecelqsi 6648 | 
. . . . . . . . 9
⊢
(〈𝑣,
1P〉 ∈ (P ×
P) → [〈𝑣, 1P〉]
~R ∈ ((P × P)
/ ~R )) | 
| 37 | 36, 30 | eleqtrrdi 2290 | 
. . . . . . . 8
⊢
(〈𝑣,
1P〉 ∈ (P ×
P) → [〈𝑣, 1P〉]
~R ∈ R) | 
| 38 | 35, 37 | syl 14 | 
. . . . . . 7
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → [〈𝑣,
1P〉] ~R ∈
R) | 
| 39 |   | addclsr 7820 | 
. . . . . . 7
⊢ ((𝐶 ∈ R ∧
[〈𝑣,
1P〉] ~R ∈
R) → (𝐶
+R [〈𝑣, 1P〉]
~R ) ∈ R) | 
| 40 | 7, 38, 39 | syl2anc 411 | 
. . . . . 6
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → (𝐶 +R [〈𝑣,
1P〉] ~R ) ∈
R) | 
| 41 | 15, 34, 40 | rspcdva 2873 | 
. . . . 5
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → ((𝐶 +R [〈𝑢,
1P〉] ~R )
<R (𝐶 +R [〈𝑣,
1P〉] ~R ) →
(∃𝑧 ∈ 𝐴 (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧 ∨ ∀𝑧 ∈ 𝐴 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R
)))) | 
| 42 | 10, 41 | mpd 13 | 
. . . 4
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → (∃𝑧 ∈ 𝐴 (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧 ∨ ∀𝑧 ∈ 𝐴 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R
))) | 
| 43 | 2 | ad2antrr 488 | 
. . . . . . . . . . 11
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) → 𝑢 ∈ P) | 
| 44 | 7 | ad2antrr 488 | 
. . . . . . . . . . 11
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) → 𝐶 ∈ R) | 
| 45 |   | mappsrprg 7871 | 
. . . . . . . . . . 11
⊢ ((𝑢 ∈ P ∧
𝐶 ∈ R)
→ (𝐶
+R -1R)
<R (𝐶 +R [〈𝑢,
1P〉] ~R
)) | 
| 46 | 43, 44, 45 | syl2anc 411 | 
. . . . . . . . . 10
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) → (𝐶 +R
-1R) <R (𝐶 +R [〈𝑢,
1P〉] ~R
)) | 
| 47 |   | simpr 110 | 
. . . . . . . . . 10
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) → (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) | 
| 48 |   | ltsosr 7831 | 
. . . . . . . . . . 11
⊢ 
<R Or R | 
| 49 |   | ltrelsr 7805 | 
. . . . . . . . . . 11
⊢ 
<R ⊆ (R ×
R) | 
| 50 | 48, 49 | sotri 5065 | 
. . . . . . . . . 10
⊢ (((𝐶 +R
-1R) <R (𝐶 +R [〈𝑢,
1P〉] ~R ) ∧ (𝐶 +R
[〈𝑢,
1P〉] ~R )
<R 𝑧) → (𝐶 +R
-1R) <R 𝑧) | 
| 51 | 46, 47, 50 | syl2anc 411 | 
. . . . . . . . 9
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) → (𝐶 +R
-1R) <R 𝑧) | 
| 52 |   | map2psrprg 7872 | 
. . . . . . . . . 10
⊢ (𝐶 ∈ R →
((𝐶
+R -1R)
<R 𝑧 ↔ ∃𝑞 ∈ P (𝐶 +R [〈𝑞,
1P〉] ~R ) = 𝑧)) | 
| 53 | 44, 52 | syl 14 | 
. . . . . . . . 9
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) → ((𝐶 +R
-1R) <R 𝑧 ↔ ∃𝑞 ∈ P (𝐶 +R [〈𝑞,
1P〉] ~R ) = 𝑧)) | 
| 54 | 51, 53 | mpbid 147 | 
. . . . . . . 8
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) → ∃𝑞 ∈ P (𝐶 +R [〈𝑞,
1P〉] ~R ) = 𝑧) | 
| 55 |   | simpr 110 | 
. . . . . . . . . . . 12
⊢
(((((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) ∧ 𝑞 ∈ P) ∧ (𝐶 +R
[〈𝑞,
1P〉] ~R ) = 𝑧) → (𝐶 +R [〈𝑞,
1P〉] ~R ) = 𝑧) | 
| 56 |   | simp-4r 542 | 
. . . . . . . . . . . 12
⊢
(((((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) ∧ 𝑞 ∈ P) ∧ (𝐶 +R
[〈𝑞,
1P〉] ~R ) = 𝑧) → 𝑧 ∈ 𝐴) | 
| 57 | 55, 56 | eqeltrd 2273 | 
. . . . . . . . . . 11
⊢
(((((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) ∧ 𝑞 ∈ P) ∧ (𝐶 +R
[〈𝑞,
1P〉] ~R ) = 𝑧) → (𝐶 +R [〈𝑞,
1P〉] ~R ) ∈ 𝐴) | 
| 58 |   | simpllr 534 | 
. . . . . . . . . . . . 13
⊢
(((((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) ∧ 𝑞 ∈ P) ∧ (𝐶 +R
[〈𝑞,
1P〉] ~R ) = 𝑧) → (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) | 
| 59 | 58, 55 | breqtrrd 4061 | 
. . . . . . . . . . . 12
⊢
(((((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) ∧ 𝑞 ∈ P) ∧ (𝐶 +R
[〈𝑞,
1P〉] ~R ) = 𝑧) → (𝐶 +R [〈𝑢,
1P〉] ~R )
<R (𝐶 +R [〈𝑞,
1P〉] ~R
)) | 
| 60 | 2 | ad4antr 494 | 
. . . . . . . . . . . . 13
⊢
(((((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) ∧ 𝑞 ∈ P) ∧ (𝐶 +R
[〈𝑞,
1P〉] ~R ) = 𝑧) → 𝑢 ∈ P) | 
| 61 |   | simplr 528 | 
. . . . . . . . . . . . 13
⊢
(((((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) ∧ 𝑞 ∈ P) ∧ (𝐶 +R
[〈𝑞,
1P〉] ~R ) = 𝑧) → 𝑞 ∈ P) | 
| 62 | 44 | ad2antrr 488 | 
. . . . . . . . . . . . 13
⊢
(((((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) ∧ 𝑞 ∈ P) ∧ (𝐶 +R
[〈𝑞,
1P〉] ~R ) = 𝑧) → 𝐶 ∈ R) | 
| 63 |   | ltpsrprg 7870 | 
. . . . . . . . . . . . 13
⊢ ((𝑢 ∈ P ∧
𝑞 ∈ P
∧ 𝐶 ∈
R) → ((𝐶
+R [〈𝑢, 1P〉]
~R ) <R (𝐶 +R [〈𝑞,
1P〉] ~R ) ↔ 𝑢<P
𝑞)) | 
| 64 | 60, 61, 62, 63 | syl3anc 1249 | 
. . . . . . . . . . . 12
⊢
(((((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) ∧ 𝑞 ∈ P) ∧ (𝐶 +R
[〈𝑞,
1P〉] ~R ) = 𝑧) → ((𝐶 +R [〈𝑢,
1P〉] ~R )
<R (𝐶 +R [〈𝑞,
1P〉] ~R ) ↔ 𝑢<P
𝑞)) | 
| 65 | 59, 64 | mpbid 147 | 
. . . . . . . . . . 11
⊢
(((((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) ∧ 𝑞 ∈ P) ∧ (𝐶 +R
[〈𝑞,
1P〉] ~R ) = 𝑧) → 𝑢<P 𝑞) | 
| 66 | 57, 65 | jca 306 | 
. . . . . . . . . 10
⊢
(((((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) ∧ 𝑞 ∈ P) ∧ (𝐶 +R
[〈𝑞,
1P〉] ~R ) = 𝑧) → ((𝐶 +R [〈𝑞,
1P〉] ~R ) ∈ 𝐴 ∧ 𝑢<P 𝑞)) | 
| 67 | 66 | ex 115 | 
. . . . . . . . 9
⊢
((((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) ∧ 𝑞 ∈ P) → ((𝐶 +R
[〈𝑞,
1P〉] ~R ) = 𝑧 → ((𝐶 +R [〈𝑞,
1P〉] ~R ) ∈ 𝐴 ∧ 𝑢<P 𝑞))) | 
| 68 | 67 | reximdva 2599 | 
. . . . . . . 8
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) → (∃𝑞 ∈ P (𝐶 +R [〈𝑞,
1P〉] ~R ) = 𝑧 → ∃𝑞 ∈ P ((𝐶 +R
[〈𝑞,
1P〉] ~R ) ∈ 𝐴 ∧ 𝑢<P 𝑞))) | 
| 69 | 54, 68 | mpd 13 | 
. . . . . . 7
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) → ∃𝑞 ∈ P ((𝐶 +R [〈𝑞,
1P〉] ~R ) ∈ 𝐴 ∧ 𝑢<P 𝑞)) | 
| 70 |   | opeq1 3808 | 
. . . . . . . . . . . . . 14
⊢ (𝑤 = 𝑞 → 〈𝑤, 1P〉 =
〈𝑞,
1P〉) | 
| 71 | 70 | eceq1d 6628 | 
. . . . . . . . . . . . 13
⊢ (𝑤 = 𝑞 → [〈𝑤, 1P〉]
~R = [〈𝑞, 1P〉]
~R ) | 
| 72 | 71 | oveq2d 5938 | 
. . . . . . . . . . . 12
⊢ (𝑤 = 𝑞 → (𝐶 +R [〈𝑤,
1P〉] ~R ) = (𝐶 +R
[〈𝑞,
1P〉] ~R
)) | 
| 73 | 72 | eleq1d 2265 | 
. . . . . . . . . . 11
⊢ (𝑤 = 𝑞 → ((𝐶 +R [〈𝑤,
1P〉] ~R ) ∈ 𝐴 ↔ (𝐶 +R [〈𝑞,
1P〉] ~R ) ∈ 𝐴)) | 
| 74 |   | suplocsrlem.b | 
. . . . . . . . . . 11
⊢ 𝐵 = {𝑤 ∈ P ∣ (𝐶 +R
[〈𝑤,
1P〉] ~R ) ∈ 𝐴} | 
| 75 | 73, 74 | elrab2 2923 | 
. . . . . . . . . 10
⊢ (𝑞 ∈ 𝐵 ↔ (𝑞 ∈ P ∧ (𝐶 +R
[〈𝑞,
1P〉] ~R ) ∈ 𝐴)) | 
| 76 | 75 | anbi1i 458 | 
. . . . . . . . 9
⊢ ((𝑞 ∈ 𝐵 ∧ 𝑢<P 𝑞) ↔ ((𝑞 ∈ P ∧ (𝐶 +R
[〈𝑞,
1P〉] ~R ) ∈ 𝐴) ∧ 𝑢<P 𝑞)) | 
| 77 |   | anass 401 | 
. . . . . . . . 9
⊢ (((𝑞 ∈ P ∧
(𝐶
+R [〈𝑞, 1P〉]
~R ) ∈ 𝐴) ∧ 𝑢<P 𝑞) ↔ (𝑞 ∈ P ∧ ((𝐶 +R
[〈𝑞,
1P〉] ~R ) ∈ 𝐴 ∧ 𝑢<P 𝑞))) | 
| 78 | 76, 77 | bitri 184 | 
. . . . . . . 8
⊢ ((𝑞 ∈ 𝐵 ∧ 𝑢<P 𝑞) ↔ (𝑞 ∈ P ∧ ((𝐶 +R
[〈𝑞,
1P〉] ~R ) ∈ 𝐴 ∧ 𝑢<P 𝑞))) | 
| 79 | 78 | rexbii2 2508 | 
. . . . . . 7
⊢
(∃𝑞 ∈
𝐵 𝑢<P 𝑞 ↔ ∃𝑞 ∈ P ((𝐶 +R
[〈𝑞,
1P〉] ~R ) ∈ 𝐴 ∧ 𝑢<P 𝑞)) | 
| 80 | 69, 79 | sylibr 134 | 
. . . . . 6
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ 𝑧 ∈ 𝐴) ∧ (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧) → ∃𝑞 ∈ 𝐵 𝑢<P 𝑞) | 
| 81 | 80 | rexlimdva2 2617 | 
. . . . 5
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → (∃𝑧 ∈ 𝐴 (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧 → ∃𝑞 ∈ 𝐵 𝑢<P 𝑞)) | 
| 82 |   | breq1 4036 | 
. . . . . . . . 9
⊢ (𝑧 = (𝐶 +R [〈𝑞,
1P〉] ~R ) → (𝑧 <R
(𝐶
+R [〈𝑣, 1P〉]
~R ) ↔ (𝐶 +R [〈𝑞,
1P〉] ~R )
<R (𝐶 +R [〈𝑣,
1P〉] ~R
))) | 
| 83 |   | simplr 528 | 
. . . . . . . . 9
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ ∀𝑧 ∈ 𝐴 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R )) ∧ 𝑞 ∈ 𝐵) → ∀𝑧 ∈ 𝐴 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R
)) | 
| 84 |   | simpr 110 | 
. . . . . . . . . . 11
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ ∀𝑧 ∈ 𝐴 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R )) ∧ 𝑞 ∈ 𝐵) → 𝑞 ∈ 𝐵) | 
| 85 | 84, 75 | sylib 122 | 
. . . . . . . . . 10
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ ∀𝑧 ∈ 𝐴 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R )) ∧ 𝑞 ∈ 𝐵) → (𝑞 ∈ P ∧ (𝐶 +R
[〈𝑞,
1P〉] ~R ) ∈ 𝐴)) | 
| 86 | 85 | simprd 114 | 
. . . . . . . . 9
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ ∀𝑧 ∈ 𝐴 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R )) ∧ 𝑞 ∈ 𝐵) → (𝐶 +R [〈𝑞,
1P〉] ~R ) ∈ 𝐴) | 
| 87 | 82, 83, 86 | rspcdva 2873 | 
. . . . . . . 8
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ ∀𝑧 ∈ 𝐴 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R )) ∧ 𝑞 ∈ 𝐵) → (𝐶 +R [〈𝑞,
1P〉] ~R )
<R (𝐶 +R [〈𝑣,
1P〉] ~R
)) | 
| 88 | 85 | simpld 112 | 
. . . . . . . . 9
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ ∀𝑧 ∈ 𝐴 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R )) ∧ 𝑞 ∈ 𝐵) → 𝑞 ∈ P) | 
| 89 | 3 | ad2antrr 488 | 
. . . . . . . . 9
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ ∀𝑧 ∈ 𝐴 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R )) ∧ 𝑞 ∈ 𝐵) → 𝑣 ∈ P) | 
| 90 | 7 | ad2antrr 488 | 
. . . . . . . . 9
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ ∀𝑧 ∈ 𝐴 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R )) ∧ 𝑞 ∈ 𝐵) → 𝐶 ∈ R) | 
| 91 |   | ltpsrprg 7870 | 
. . . . . . . . 9
⊢ ((𝑞 ∈ P ∧
𝑣 ∈ P
∧ 𝐶 ∈
R) → ((𝐶
+R [〈𝑞, 1P〉]
~R ) <R (𝐶 +R [〈𝑣,
1P〉] ~R ) ↔ 𝑞<P
𝑣)) | 
| 92 | 88, 89, 90, 91 | syl3anc 1249 | 
. . . . . . . 8
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ ∀𝑧 ∈ 𝐴 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R )) ∧ 𝑞 ∈ 𝐵) → ((𝐶 +R [〈𝑞,
1P〉] ~R )
<R (𝐶 +R [〈𝑣,
1P〉] ~R ) ↔ 𝑞<P
𝑣)) | 
| 93 | 87, 92 | mpbid 147 | 
. . . . . . 7
⊢
(((((𝜑 ∧ (𝑢 ∈ P ∧
𝑣 ∈ P))
∧ 𝑢<P 𝑣) ∧ ∀𝑧 ∈ 𝐴 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R )) ∧ 𝑞 ∈ 𝐵) → 𝑞<P 𝑣) | 
| 94 | 93 | ralrimiva 2570 | 
. . . . . 6
⊢ ((((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) ∧ ∀𝑧 ∈ 𝐴 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R )) →
∀𝑞 ∈ 𝐵 𝑞<P 𝑣) | 
| 95 | 94 | ex 115 | 
. . . . 5
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → (∀𝑧 ∈ 𝐴 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R ) →
∀𝑞 ∈ 𝐵 𝑞<P 𝑣)) | 
| 96 | 81, 95 | orim12d 787 | 
. . . 4
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → ((∃𝑧 ∈ 𝐴 (𝐶 +R [〈𝑢,
1P〉] ~R )
<R 𝑧 ∨ ∀𝑧 ∈ 𝐴 𝑧 <R (𝐶 +R
[〈𝑣,
1P〉] ~R )) →
(∃𝑞 ∈ 𝐵 𝑢<P 𝑞 ∨ ∀𝑞 ∈ 𝐵 𝑞<P 𝑣))) | 
| 97 | 42, 96 | mpd 13 | 
. . 3
⊢ (((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) ∧
𝑢<P 𝑣) → (∃𝑞 ∈ 𝐵 𝑢<P 𝑞 ∨ ∀𝑞 ∈ 𝐵 𝑞<P 𝑣)) | 
| 98 | 97 | ex 115 | 
. 2
⊢ ((𝜑 ∧ (𝑢 ∈ P ∧ 𝑣 ∈ P)) →
(𝑢<P 𝑣 → (∃𝑞 ∈ 𝐵 𝑢<P 𝑞 ∨ ∀𝑞 ∈ 𝐵 𝑞<P 𝑣))) | 
| 99 | 98 | ralrimivva 2579 | 
1
⊢ (𝜑 → ∀𝑢 ∈ P ∀𝑣 ∈ P (𝑢<P
𝑣 → (∃𝑞 ∈ 𝐵 𝑢<P 𝑞 ∨ ∀𝑞 ∈ 𝐵 𝑞<P 𝑣))) |