| Step | Hyp | Ref
| Expression |
| 1 | | df-s8 14887 |
. . 3
⊢
〈“{1}ℕℕ0ℤℚ(𝔸 ∩
ℝ)ℝℂ”〉 =
(〈“{1}ℕℕ0ℤℚ(𝔸 ∩
ℝ)ℝ”〉 ++
〈“ℂ”〉) |
| 2 | | cnex 11176 |
. . . . 5
⊢ ℂ
∈ V |
| 3 | 2 | a1i 11 |
. . . 4
⊢ (⊤
→ ℂ ∈ V) |
| 4 | | df-s7 14886 |
. . . . 5
⊢
〈“{1}ℕℕ0ℤℚ(𝔸 ∩
ℝ)ℝ”〉 =
(〈“{1}ℕℕ0ℤℚ(𝔸 ∩
ℝ)”〉 ++ 〈“ℝ”〉) |
| 5 | | reex 11186 |
. . . . . . 7
⊢ ℝ
∈ V |
| 6 | 5 | a1i 11 |
. . . . . 6
⊢ (⊤
→ ℝ ∈ V) |
| 7 | | df-s6 14885 |
. . . . . . 7
⊢
〈“{1}ℕℕ0ℤℚ(𝔸 ∩
ℝ)”〉 =
(〈“{1}ℕℕ0ℤℚ”〉 ++
〈“(𝔸 ∩ ℝ)”〉) |
| 8 | 5 | inex2 5287 |
. . . . . . . . 9
⊢
(𝔸 ∩ ℝ) ∈ V |
| 9 | 8 | a1i 11 |
. . . . . . . 8
⊢ (⊤
→ (𝔸 ∩ ℝ) ∈ V) |
| 10 | | df-s5 14884 |
. . . . . . . . 9
⊢
〈“{1}ℕℕ0ℤℚ”〉 =
(〈“{1}ℕℕ0ℤ”〉 ++
〈“ℚ”〉) |
| 11 | | qex 12980 |
. . . . . . . . . . 11
⊢ ℚ
∈ V |
| 12 | 11 | a1i 11 |
. . . . . . . . . 10
⊢ (⊤
→ ℚ ∈ V) |
| 13 | | df-s4 14883 |
. . . . . . . . . . 11
⊢
〈“{1}ℕℕ0ℤ”〉 =
(〈“{1}ℕℕ0”〉 ++
〈“ℤ”〉) |
| 14 | | zex 12595 |
. . . . . . . . . . . . 13
⊢ ℤ
∈ V |
| 15 | 14 | a1i 11 |
. . . . . . . . . . . 12
⊢ (⊤
→ ℤ ∈ V) |
| 16 | | df-s3 14882 |
. . . . . . . . . . . . 13
⊢
〈“{1}ℕℕ0”〉 =
(〈“{1}ℕ”〉 ++
〈“ℕ0”〉) |
| 17 | | nn0ex 12505 |
. . . . . . . . . . . . . . 15
⊢
ℕ0 ∈ V |
| 18 | 17 | a1i 11 |
. . . . . . . . . . . . . 14
⊢ (⊤
→ ℕ0 ∈ V) |
| 19 | | df-s2 14881 |
. . . . . . . . . . . . . . 15
⊢
〈“{1}ℕ”〉 = (〈“{1}”〉 ++
〈“ℕ”〉) |
| 20 | | nnex 12234 |
. . . . . . . . . . . . . . . . 17
⊢ ℕ
∈ V |
| 21 | 20 | a1i 11 |
. . . . . . . . . . . . . . . 16
⊢ (⊤
→ ℕ ∈ V) |
| 22 | | snex 5410 |
. . . . . . . . . . . . . . . . . 18
⊢ {1}
∈ V |
| 23 | 22 | a1i 11 |
. . . . . . . . . . . . . . . . 17
⊢ (⊤
→ {1} ∈ V) |
| 24 | 23 | s1chn 18671 |
. . . . . . . . . . . . . . . 16
⊢ (⊤
→ 〈“{1}”〉 ∈ ( < Chain
V)) |
| 25 | | lsws1 14645 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ({1}
∈ V → (lastS‘〈“{1}”〉) =
{1}) |
| 26 | 22, 25 | ax-mp 5 |
. . . . . . . . . . . . . . . . . . 19
⊢
(lastS‘〈“{1}”〉) = {1} |
| 27 | | 1nn 12239 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ 1 ∈
ℕ |
| 28 | | 1ex 11198 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ 1 ∈
V |
| 29 | 28 | snss 4750 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ (1 ∈
ℕ ↔ {1} ⊆ ℕ) |
| 30 | 27, 29 | mpbi 233 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ {1}
⊆ ℕ |
| 31 | | 2nn 12309 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ 2 ∈
ℕ |
| 32 | | 1re 11203 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ 1 ∈
ℝ |
| 33 | | 1lt2 12408 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ 1 <
2 |
| 34 | 32, 33 | gtneii 11317 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ 2 ≠
1 |
| 35 | | nelsn 4632 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ (2 ≠ 1
→ ¬ 2 ∈ {1}) |
| 36 | 34, 35 | ax-mp 5 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ ¬ 2
∈ {1} |
| 37 | 31, 36 | pm3.2i 475 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (2 ∈
ℕ ∧ ¬ 2 ∈ {1}) |
| 38 | | ssnelpss 4069 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ ({1}
⊆ ℕ → ((2 ∈ ℕ ∧ ¬ 2 ∈ {1}) → {1}
⊊ ℕ)) |
| 39 | 30, 37, 38 | mp2 9 |
. . . . . . . . . . . . . . . . . . . 20
⊢ {1}
⊊ ℕ |
| 40 | | psseq1 4044 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (𝑥 = {1} → (𝑥 ⊊ 𝑦 ↔ {1} ⊊ 𝑦)) |
| 41 | | psseq2 4045 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (𝑦 = ℕ → ({1} ⊊
𝑦 ↔ {1} ⊊
ℕ)) |
| 42 | | nthrucw.1 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ < =
{〈𝑥, 𝑦〉 ∣ 𝑥 ⊊ 𝑦} |
| 43 | 22, 20, 40, 41, 42 | brab 5528 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ({1}
<
ℕ ↔ {1} ⊊ ℕ) |
| 44 | 39, 43 | mpbir 234 |
. . . . . . . . . . . . . . . . . . 19
⊢ {1} <
ℕ |
| 45 | 26, 44 | eqbrtri 5132 |
. . . . . . . . . . . . . . . . . 18
⊢
(lastS‘〈“{1}”〉) <
ℕ |
| 46 | 45 | a1i 11 |
. . . . . . . . . . . . . . . . 17
⊢ (⊤
→ (lastS‘〈“{1}”〉) <
ℕ) |
| 47 | 46 | olcd 887 |
. . . . . . . . . . . . . . . 16
⊢ (⊤
→ (〈“{1}”〉 = ∅ ∨
(lastS‘〈“{1}”〉) <
ℕ)) |
| 48 | 21, 24, 47 | chnccats1 18676 |
. . . . . . . . . . . . . . 15
⊢ (⊤
→ (〈“{1}”〉 ++ 〈“ℕ”〉)
∈ ( < Chain
V)) |
| 49 | 19, 48 | eqeltrid 2867 |
. . . . . . . . . . . . . 14
⊢ (⊤
→ 〈“{1}ℕ”〉 ∈ ( < Chain
V)) |
| 50 | | lsws2 14937 |
. . . . . . . . . . . . . . . . . 18
⊢ (ℕ
∈ V → (lastS‘〈“{1}ℕ”〉) =
ℕ) |
| 51 | 20, 50 | ax-mp 5 |
. . . . . . . . . . . . . . . . 17
⊢
(lastS‘〈“{1}ℕ”〉) =
ℕ |
| 52 | | nthruz 16304 |
. . . . . . . . . . . . . . . . . . 19
⊢ (ℕ
⊊ ℕ0 ∧ ℕ0 ⊊
ℤ) |
| 53 | 52 | simpli 488 |
. . . . . . . . . . . . . . . . . 18
⊢ ℕ
⊊ ℕ0 |
| 54 | | psseq1 4044 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑥 = ℕ → (𝑥 ⊊ 𝑦 ↔ ℕ ⊊ 𝑦)) |
| 55 | | psseq2 4045 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑦 = ℕ0 →
(ℕ ⊊ 𝑦 ↔
ℕ ⊊ ℕ0)) |
| 56 | 20, 17, 54, 55, 42 | brab 5528 |
. . . . . . . . . . . . . . . . . 18
⊢ (ℕ
<
ℕ0 ↔ ℕ ⊊
ℕ0) |
| 57 | 53, 56 | mpbir 234 |
. . . . . . . . . . . . . . . . 17
⊢ ℕ
<
ℕ0 |
| 58 | 51, 57 | eqbrtri 5132 |
. . . . . . . . . . . . . . . 16
⊢
(lastS‘〈“{1}ℕ”〉) <
ℕ0 |
| 59 | 58 | a1i 11 |
. . . . . . . . . . . . . . 15
⊢ (⊤
→ (lastS‘〈“{1}ℕ”〉) <
ℕ0) |
| 60 | 59 | olcd 887 |
. . . . . . . . . . . . . 14
⊢ (⊤
→ (〈“{1}ℕ”〉 = ∅ ∨
(lastS‘〈“{1}ℕ”〉) <
ℕ0)) |
| 61 | 18, 49, 60 | chnccats1 18676 |
. . . . . . . . . . . . 13
⊢ (⊤
→ (〈“{1}ℕ”〉 ++
〈“ℕ0”〉) ∈ ( < Chain
V)) |
| 62 | 16, 61 | eqeltrid 2867 |
. . . . . . . . . . . 12
⊢ (⊤
→ 〈“{1}ℕℕ0”〉 ∈ ( < Chain
V)) |
| 63 | | lsws3 14938 |
. . . . . . . . . . . . . . . 16
⊢
(ℕ0 ∈ V →
(lastS‘〈“{1}ℕℕ0”〉) =
ℕ0) |
| 64 | 17, 63 | ax-mp 5 |
. . . . . . . . . . . . . . 15
⊢
(lastS‘〈“{1}ℕℕ0”〉) =
ℕ0 |
| 65 | 52 | simpri 490 |
. . . . . . . . . . . . . . . 16
⊢
ℕ0 ⊊ ℤ |
| 66 | | psseq1 4044 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑥 = ℕ0 →
(𝑥 ⊊ 𝑦 ↔ ℕ0
⊊ 𝑦)) |
| 67 | | psseq2 4045 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑦 = ℤ →
(ℕ0 ⊊ 𝑦 ↔ ℕ0 ⊊
ℤ)) |
| 68 | 17, 14, 66, 67, 42 | brab 5528 |
. . . . . . . . . . . . . . . 16
⊢
(ℕ0 < ℤ ↔
ℕ0 ⊊ ℤ) |
| 69 | 65, 68 | mpbir 234 |
. . . . . . . . . . . . . . 15
⊢
ℕ0 <
ℤ |
| 70 | 64, 69 | eqbrtri 5132 |
. . . . . . . . . . . . . 14
⊢
(lastS‘〈“{1}ℕℕ0”〉)
<
ℤ |
| 71 | 70 | a1i 11 |
. . . . . . . . . . . . 13
⊢ (⊤
→ (lastS‘〈“{1}ℕℕ0”〉)
<
ℤ) |
| 72 | 71 | olcd 887 |
. . . . . . . . . . . 12
⊢ (⊤
→ (〈“{1}ℕℕ0”〉 = ∅ ∨
(lastS‘〈“{1}ℕℕ0”〉) <
ℤ)) |
| 73 | 15, 62, 72 | chnccats1 18676 |
. . . . . . . . . . 11
⊢ (⊤
→ (〈“{1}ℕℕ0”〉 ++
〈“ℤ”〉) ∈ ( < Chain
V)) |
| 74 | 13, 73 | eqeltrid 2867 |
. . . . . . . . . 10
⊢ (⊤
→ 〈“{1}ℕℕ0ℤ”〉 ∈ (
<
Chain V)) |
| 75 | | lsws4 14939 |
. . . . . . . . . . . . . 14
⊢ (ℤ
∈ V →
(lastS‘〈“{1}ℕℕ0ℤ”〉) =
ℤ) |
| 76 | 14, 75 | ax-mp 5 |
. . . . . . . . . . . . 13
⊢
(lastS‘〈“{1}ℕℕ0ℤ”〉)
= ℤ |
| 77 | | nthruc 16303 |
. . . . . . . . . . . . . . . 16
⊢ ((ℕ
⊊ ℤ ∧ ℤ ⊊ ℚ) ∧ (ℚ ⊊
ℝ ∧ ℝ ⊊ ℂ)) |
| 78 | 77 | simpli 488 |
. . . . . . . . . . . . . . 15
⊢ (ℕ
⊊ ℤ ∧ ℤ ⊊ ℚ) |
| 79 | 78 | simpri 490 |
. . . . . . . . . . . . . 14
⊢ ℤ
⊊ ℚ |
| 80 | | psseq1 4044 |
. . . . . . . . . . . . . . 15
⊢ (𝑥 = ℤ → (𝑥 ⊊ 𝑦 ↔ ℤ ⊊ 𝑦)) |
| 81 | | psseq2 4045 |
. . . . . . . . . . . . . . 15
⊢ (𝑦 = ℚ → (ℤ
⊊ 𝑦 ↔ ℤ
⊊ ℚ)) |
| 82 | 14, 11, 80, 81, 42 | brab 5528 |
. . . . . . . . . . . . . 14
⊢ (ℤ
<
ℚ ↔ ℤ ⊊ ℚ) |
| 83 | 79, 82 | mpbir 234 |
. . . . . . . . . . . . 13
⊢ ℤ
<
ℚ |
| 84 | 76, 83 | eqbrtri 5132 |
. . . . . . . . . . . 12
⊢
(lastS‘〈“{1}ℕℕ0ℤ”〉)
<
ℚ |
| 85 | 84 | a1i 11 |
. . . . . . . . . . 11
⊢ (⊤
→
(lastS‘〈“{1}ℕℕ0ℤ”〉)
<
ℚ) |
| 86 | 85 | olcd 887 |
. . . . . . . . . 10
⊢ (⊤
→ (〈“{1}ℕℕ0ℤ”〉 =
∅ ∨
(lastS‘〈“{1}ℕℕ0ℤ”〉)
<
ℚ)) |
| 87 | 12, 74, 86 | chnccats1 18676 |
. . . . . . . . 9
⊢ (⊤
→ (〈“{1}ℕℕ0ℤ”〉 ++
〈“ℚ”〉) ∈ ( < Chain
V)) |
| 88 | 10, 87 | eqeltrid 2867 |
. . . . . . . 8
⊢ (⊤
→ 〈“{1}ℕℕ0ℤℚ”〉
∈ ( < Chain
V)) |
| 89 | | s5cli 14916 |
. . . . . . . . . . . . 13
⊢
〈“{1}ℕℕ0ℤℚ”〉
∈ Word V |
| 90 | | lsw 14597 |
. . . . . . . . . . . . 13
⊢
(〈“{1}ℕℕ0ℤℚ”〉
∈ Word V →
(lastS‘〈“{1}ℕℕ0ℤℚ”〉)
=
(〈“{1}ℕℕ0ℤℚ”〉‘((♯‘〈“{1}ℕℕ0ℤℚ”〉)
− 1))) |
| 91 | 89, 90 | ax-mp 5 |
. . . . . . . . . . . 12
⊢
(lastS‘〈“{1}ℕℕ0ℤℚ”〉)
=
(〈“{1}ℕℕ0ℤℚ”〉‘((♯‘〈“{1}ℕℕ0ℤℚ”〉)
− 1)) |
| 92 | | s5len 14933 |
. . . . . . . . . . . . . . 15
⊢
(♯‘〈“{1}ℕℕ0ℤℚ”〉)
= 5 |
| 93 | 92 | oveq1i 7420 |
. . . . . . . . . . . . . 14
⊢
((♯‘〈“{1}ℕℕ0ℤℚ”〉)
− 1) = (5 − 1) |
| 94 | | 5m1e4 12365 |
. . . . . . . . . . . . . 14
⊢ (5
− 1) = 4 |
| 95 | 93, 94 | eqtri 2786 |
. . . . . . . . . . . . 13
⊢
((♯‘〈“{1}ℕℕ0ℤℚ”〉)
− 1) = 4 |
| 96 | 95 | fveq2i 6884 |
. . . . . . . . . . . 12
⊢
(〈“{1}ℕℕ0ℤℚ”〉‘((♯‘〈“{1}ℕℕ0ℤℚ”〉)
− 1)) = (〈“{1}ℕℕ0ℤℚ”〉‘4) |
| 97 | | s4cli 14915 |
. . . . . . . . . . . . . 14
⊢
〈“{1}ℕℕ0ℤ”〉 ∈
Word V |
| 98 | | s4len 14932 |
. . . . . . . . . . . . . 14
⊢
(♯‘〈“{1}ℕℕ0ℤ”〉)
= 4 |
| 99 | 10, 97, 98 | cats1fvn 14891 |
. . . . . . . . . . . . 13
⊢ (ℚ
∈ V →
(〈“{1}ℕℕ0ℤℚ”〉‘4)
= ℚ) |
| 100 | 11, 99 | ax-mp 5 |
. . . . . . . . . . . 12
⊢
(〈“{1}ℕℕ0ℤℚ”〉‘4)
= ℚ |
| 101 | 91, 96, 100 | 3eqtri 2790 |
. . . . . . . . . . 11
⊢
(lastS‘〈“{1}ℕℕ0ℤℚ”〉)
= ℚ |
| 102 | | qssaa 26485 |
. . . . . . . . . . . . . 14
⊢ ℚ
⊆ 𝔸 |
| 103 | | qssre 12978 |
. . . . . . . . . . . . . 14
⊢ ℚ
⊆ ℝ |
| 104 | 102, 103 | ssini 4192 |
. . . . . . . . . . . . 13
⊢ ℚ
⊆ (𝔸 ∩ ℝ) |
| 105 | | sqrtnnaa 47624 |
. . . . . . . . . . . . . . . 16
⊢ (2 ∈
ℕ → (√‘2) ∈ 𝔸) |
| 106 | 31, 105 | ax-mp 5 |
. . . . . . . . . . . . . . 15
⊢
(√‘2) ∈ 𝔸 |
| 107 | | sqrt2re 16301 |
. . . . . . . . . . . . . . 15
⊢
(√‘2) ∈ ℝ |
| 108 | 106, 107 | elini 4152 |
. . . . . . . . . . . . . 14
⊢
(√‘2) ∈ (𝔸 ∩ ℝ) |
| 109 | | sqrt2irr 16300 |
. . . . . . . . . . . . . . 15
⊢
(√‘2) ∉ ℚ |
| 110 | 109 | neli 3066 |
. . . . . . . . . . . . . 14
⊢ ¬
(√‘2) ∈ ℚ |
| 111 | 108, 110 | pm3.2i 475 |
. . . . . . . . . . . . 13
⊢
((√‘2) ∈ (𝔸 ∩ ℝ) ∧ ¬
(√‘2) ∈ ℚ) |
| 112 | | ssnelpss 4069 |
. . . . . . . . . . . . 13
⊢ (ℚ
⊆ (𝔸 ∩ ℝ) → (((√‘2) ∈ (𝔸
∩ ℝ) ∧ ¬ (√‘2) ∈ ℚ) → ℚ
⊊ (𝔸 ∩ ℝ))) |
| 113 | 104, 111,
112 | mp2 9 |
. . . . . . . . . . . 12
⊢ ℚ
⊊ (𝔸 ∩ ℝ) |
| 114 | | psseq1 4044 |
. . . . . . . . . . . . 13
⊢ (𝑥 = ℚ → (𝑥 ⊊ 𝑦 ↔ ℚ ⊊ 𝑦)) |
| 115 | | psseq2 4045 |
. . . . . . . . . . . . 13
⊢ (𝑦 = (𝔸 ∩ ℝ)
→ (ℚ ⊊ 𝑦
↔ ℚ ⊊ (𝔸 ∩ ℝ))) |
| 116 | 11, 8, 114, 115, 42 | brab 5528 |
. . . . . . . . . . . 12
⊢ (ℚ
<
(𝔸 ∩ ℝ) ↔ ℚ ⊊ (𝔸 ∩
ℝ)) |
| 117 | 113, 116 | mpbir 234 |
. . . . . . . . . . 11
⊢ ℚ
<
(𝔸 ∩ ℝ) |
| 118 | 101, 117 | eqbrtri 5132 |
. . . . . . . . . 10
⊢
(lastS‘〈“{1}ℕℕ0ℤℚ”〉)
< (𝔸
∩ ℝ) |
| 119 | 118 | a1i 11 |
. . . . . . . . 9
⊢ (⊤
→
(lastS‘〈“{1}ℕℕ0ℤℚ”〉)
<
(𝔸 ∩ ℝ)) |
| 120 | 119 | olcd 887 |
. . . . . . . 8
⊢ (⊤
→ (〈“{1}ℕℕ0ℤℚ”〉 =
∅ ∨
(lastS‘〈“{1}ℕℕ0ℤℚ”〉)
<
(𝔸 ∩ ℝ))) |
| 121 | 9, 88, 120 | chnccats1 18676 |
. . . . . . 7
⊢ (⊤
→ (〈“{1}ℕℕ0ℤℚ”〉
++ 〈“(𝔸 ∩ ℝ)”〉) ∈ ( < Chain
V)) |
| 122 | 7, 121 | eqeltrid 2867 |
. . . . . 6
⊢ (⊤
→ 〈“{1}ℕℕ0ℤℚ(𝔸 ∩
ℝ)”〉 ∈ ( < Chain
V)) |
| 123 | | s6cli 14917 |
. . . . . . . . . . 11
⊢
〈“{1}ℕℕ0ℤℚ(𝔸 ∩
ℝ)”〉 ∈ Word V |
| 124 | | lsw 14597 |
. . . . . . . . . . 11
⊢
(〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)”〉 ∈ Word V →
(lastS‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)”〉) =
(〈“{1}ℕℕ0ℤℚ(𝔸 ∩
ℝ)”〉‘((♯‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)”〉) − 1))) |
| 125 | 123, 124 | ax-mp 5 |
. . . . . . . . . 10
⊢
(lastS‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)”〉) =
(〈“{1}ℕℕ0ℤℚ(𝔸 ∩
ℝ)”〉‘((♯‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)”〉) − 1)) |
| 126 | | s6len 14934 |
. . . . . . . . . . . . 13
⊢
(♯‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)”〉) = 6 |
| 127 | 126 | oveq1i 7420 |
. . . . . . . . . . . 12
⊢
((♯‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)”〉) − 1) = (6 − 1) |
| 128 | | 6m1e5 12366 |
. . . . . . . . . . . 12
⊢ (6
− 1) = 5 |
| 129 | 127, 128 | eqtri 2786 |
. . . . . . . . . . 11
⊢
((♯‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)”〉) − 1) = 5 |
| 130 | 129 | fveq2i 6884 |
. . . . . . . . . 10
⊢
(〈“{1}ℕℕ0ℤℚ(𝔸
∩
ℝ)”〉‘((♯‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)”〉) − 1)) = (〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)”〉‘5) |
| 131 | 7, 89, 92 | cats1fvn 14891 |
. . . . . . . . . . 11
⊢
((𝔸 ∩ ℝ) ∈ V →
(〈“{1}ℕℕ0ℤℚ(𝔸 ∩
ℝ)”〉‘5) = (𝔸 ∩ ℝ)) |
| 132 | 8, 131 | ax-mp 5 |
. . . . . . . . . 10
⊢
(〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)”〉‘5) = (𝔸 ∩
ℝ) |
| 133 | 125, 130,
132 | 3eqtri 2790 |
. . . . . . . . 9
⊢
(lastS‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)”〉) = (𝔸 ∩ ℝ) |
| 134 | | inss2 4190 |
. . . . . . . . . . 11
⊢
(𝔸 ∩ ℝ) ⊆ ℝ |
| 135 | | aaliou3r 26515 |
. . . . . . . . . . . 12
⊢
Σ𝑘 ∈
ℕ (2↑-(!‘𝑘)) ∈ ℝ |
| 136 | | aaliou3 26514 |
. . . . . . . . . . . . . 14
⊢
Σ𝑘 ∈
ℕ (2↑-(!‘𝑘)) ∉ 𝔸 |
| 137 | 136 | neli 3066 |
. . . . . . . . . . . . 13
⊢ ¬
Σ𝑘 ∈ ℕ
(2↑-(!‘𝑘))
∈ 𝔸 |
| 138 | | elinel1 4154 |
. . . . . . . . . . . . 13
⊢
(Σ𝑘 ∈
ℕ (2↑-(!‘𝑘)) ∈ (𝔸 ∩ ℝ) →
Σ𝑘 ∈ ℕ
(2↑-(!‘𝑘))
∈ 𝔸) |
| 139 | 137, 138 | mto 200 |
. . . . . . . . . . . 12
⊢ ¬
Σ𝑘 ∈ ℕ
(2↑-(!‘𝑘))
∈ (𝔸 ∩ ℝ) |
| 140 | 135, 139 | pm3.2i 475 |
. . . . . . . . . . 11
⊢
(Σ𝑘 ∈
ℕ (2↑-(!‘𝑘)) ∈ ℝ ∧ ¬ Σ𝑘 ∈ ℕ
(2↑-(!‘𝑘))
∈ (𝔸 ∩ ℝ)) |
| 141 | | ssnelpss 4069 |
. . . . . . . . . . 11
⊢
((𝔸 ∩ ℝ) ⊆ ℝ → ((Σ𝑘 ∈ ℕ
(2↑-(!‘𝑘))
∈ ℝ ∧ ¬ Σ𝑘 ∈ ℕ (2↑-(!‘𝑘)) ∈ (𝔸 ∩
ℝ)) → (𝔸 ∩ ℝ) ⊊ ℝ)) |
| 142 | 134, 140,
141 | mp2 9 |
. . . . . . . . . 10
⊢
(𝔸 ∩ ℝ) ⊊ ℝ |
| 143 | | psseq1 4044 |
. . . . . . . . . . 11
⊢ (𝑥 = (𝔸 ∩ ℝ)
→ (𝑥 ⊊ 𝑦 ↔ (𝔸 ∩
ℝ) ⊊ 𝑦)) |
| 144 | | psseq2 4045 |
. . . . . . . . . . 11
⊢ (𝑦 = ℝ → ((𝔸
∩ ℝ) ⊊ 𝑦
↔ (𝔸 ∩ ℝ) ⊊ ℝ)) |
| 145 | 8, 5, 143, 144, 42 | brab 5528 |
. . . . . . . . . 10
⊢
((𝔸 ∩ ℝ) < ℝ ↔
(𝔸 ∩ ℝ) ⊊ ℝ) |
| 146 | 142, 145 | mpbir 234 |
. . . . . . . . 9
⊢
(𝔸 ∩ ℝ) <
ℝ |
| 147 | 133, 146 | eqbrtri 5132 |
. . . . . . . 8
⊢
(lastS‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)”〉) < ℝ |
| 148 | 147 | a1i 11 |
. . . . . . 7
⊢ (⊤
→
(lastS‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)”〉) <
ℝ) |
| 149 | 148 | olcd 887 |
. . . . . 6
⊢ (⊤
→ (〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)”〉 = ∅ ∨
(lastS‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)”〉) <
ℝ)) |
| 150 | 6, 122, 149 | chnccats1 18676 |
. . . . 5
⊢ (⊤
→ (〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)”〉 ++ 〈“ℝ”〉) ∈ (
<
Chain V)) |
| 151 | 4, 150 | eqeltrid 2867 |
. . . 4
⊢ (⊤
→ 〈“{1}ℕℕ0ℤℚ(𝔸 ∩
ℝ)ℝ”〉 ∈ ( < Chain
V)) |
| 152 | | s7cli 14918 |
. . . . . . . . 9
⊢
〈“{1}ℕℕ0ℤℚ(𝔸 ∩
ℝ)ℝ”〉 ∈ Word V |
| 153 | | lsw 14597 |
. . . . . . . . 9
⊢
(〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)ℝ”〉 ∈ Word V →
(lastS‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)ℝ”〉) =
(〈“{1}ℕℕ0ℤℚ(𝔸 ∩
ℝ)ℝ”〉‘((♯‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)ℝ”〉) − 1))) |
| 154 | 152, 153 | ax-mp 5 |
. . . . . . . 8
⊢
(lastS‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)ℝ”〉) =
(〈“{1}ℕℕ0ℤℚ(𝔸 ∩
ℝ)ℝ”〉‘((♯‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)ℝ”〉) − 1)) |
| 155 | | s7len 14935 |
. . . . . . . . . . 11
⊢
(♯‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)ℝ”〉) = 7 |
| 156 | 155 | oveq1i 7420 |
. . . . . . . . . 10
⊢
((♯‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)ℝ”〉) − 1) = (7 − 1) |
| 157 | | 7m1e6 12367 |
. . . . . . . . . 10
⊢ (7
− 1) = 6 |
| 158 | 156, 157 | eqtri 2786 |
. . . . . . . . 9
⊢
((♯‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)ℝ”〉) − 1) = 6 |
| 159 | 158 | fveq2i 6884 |
. . . . . . . 8
⊢
(〈“{1}ℕℕ0ℤℚ(𝔸
∩
ℝ)ℝ”〉‘((♯‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)ℝ”〉) − 1)) = (〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)ℝ”〉‘6) |
| 160 | 4, 123, 126 | cats1fvn 14891 |
. . . . . . . . 9
⊢ (ℝ
∈ V →
(〈“{1}ℕℕ0ℤℚ(𝔸 ∩
ℝ)ℝ”〉‘6) = ℝ) |
| 161 | 5, 160 | ax-mp 5 |
. . . . . . . 8
⊢
(〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)ℝ”〉‘6) = ℝ |
| 162 | 154, 159,
161 | 3eqtri 2790 |
. . . . . . 7
⊢
(lastS‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)ℝ”〉) = ℝ |
| 163 | 77 | simpri 490 |
. . . . . . . . 9
⊢ (ℚ
⊊ ℝ ∧ ℝ ⊊ ℂ) |
| 164 | 163 | simpri 490 |
. . . . . . . 8
⊢ ℝ
⊊ ℂ |
| 165 | | psseq1 4044 |
. . . . . . . . 9
⊢ (𝑥 = ℝ → (𝑥 ⊊ 𝑦 ↔ ℝ ⊊ 𝑦)) |
| 166 | | psseq2 4045 |
. . . . . . . . 9
⊢ (𝑦 = ℂ → (ℝ
⊊ 𝑦 ↔ ℝ
⊊ ℂ)) |
| 167 | 5, 2, 165, 166, 42 | brab 5528 |
. . . . . . . 8
⊢ (ℝ
<
ℂ ↔ ℝ ⊊ ℂ) |
| 168 | 164, 167 | mpbir 234 |
. . . . . . 7
⊢ ℝ
<
ℂ |
| 169 | 162, 168 | eqbrtri 5132 |
. . . . . 6
⊢
(lastS‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)ℝ”〉) < ℂ |
| 170 | 169 | a1i 11 |
. . . . 5
⊢ (⊤
→
(lastS‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)ℝ”〉) <
ℂ) |
| 171 | 170 | olcd 887 |
. . . 4
⊢ (⊤
→ (〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)ℝ”〉 = ∅ ∨
(lastS‘〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)ℝ”〉) <
ℂ)) |
| 172 | 3, 151, 171 | chnccats1 18676 |
. . 3
⊢ (⊤
→ (〈“{1}ℕℕ0ℤℚ(𝔸
∩ ℝ)ℝ”〉 ++ 〈“ℂ”〉) ∈
( <
Chain V)) |
| 173 | 1, 172 | eqeltrid 2867 |
. 2
⊢ (⊤
→ 〈“{1}ℕℕ0ℤℚ(𝔸 ∩
ℝ)ℝℂ”〉 ∈ ( < Chain
V)) |
| 174 | 173 | mptru 1577 |
1
⊢
〈“{1}ℕℕ0ℤℚ(𝔸 ∩
ℝ)ℝℂ”〉 ∈ ( < Chain
V) |