Proof of Theorem stadd3i
| Step | Hyp | Ref
| Expression |
| 1 | | stle.1 |
. . . . . 6
⊢ 𝐴 ∈
Cℋ |
| 2 | | stcl 32235 |
. . . . . 6
⊢ (𝑆 ∈ States → (𝐴 ∈
Cℋ → (𝑆‘𝐴) ∈ ℝ)) |
| 3 | 1, 2 | mpi 20 |
. . . . 5
⊢ (𝑆 ∈ States → (𝑆‘𝐴) ∈ ℝ) |
| 4 | 3 | recnd 11289 |
. . . 4
⊢ (𝑆 ∈ States → (𝑆‘𝐴) ∈ ℂ) |
| 5 | | stle.2 |
. . . . . 6
⊢ 𝐵 ∈
Cℋ |
| 6 | | stcl 32235 |
. . . . . 6
⊢ (𝑆 ∈ States → (𝐵 ∈
Cℋ → (𝑆‘𝐵) ∈ ℝ)) |
| 7 | 5, 6 | mpi 20 |
. . . . 5
⊢ (𝑆 ∈ States → (𝑆‘𝐵) ∈ ℝ) |
| 8 | 7 | recnd 11289 |
. . . 4
⊢ (𝑆 ∈ States → (𝑆‘𝐵) ∈ ℂ) |
| 9 | | stm1add3.3 |
. . . . . 6
⊢ 𝐶 ∈
Cℋ |
| 10 | | stcl 32235 |
. . . . . 6
⊢ (𝑆 ∈ States → (𝐶 ∈
Cℋ → (𝑆‘𝐶) ∈ ℝ)) |
| 11 | 9, 10 | mpi 20 |
. . . . 5
⊢ (𝑆 ∈ States → (𝑆‘𝐶) ∈ ℝ) |
| 12 | 11 | recnd 11289 |
. . . 4
⊢ (𝑆 ∈ States → (𝑆‘𝐶) ∈ ℂ) |
| 13 | 4, 8, 12 | addassd 11283 |
. . 3
⊢ (𝑆 ∈ States → (((𝑆‘𝐴) + (𝑆‘𝐵)) + (𝑆‘𝐶)) = ((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶)))) |
| 14 | 13 | eqeq1d 2739 |
. 2
⊢ (𝑆 ∈ States → ((((𝑆‘𝐴) + (𝑆‘𝐵)) + (𝑆‘𝐶)) = 3 ↔ ((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) = 3)) |
| 15 | | eqcom 2744 |
. . . 4
⊢ (((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) = 3 ↔ 3 = ((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶)))) |
| 16 | 7, 11 | readdcld 11290 |
. . . . . . 7
⊢ (𝑆 ∈ States → ((𝑆‘𝐵) + (𝑆‘𝐶)) ∈ ℝ) |
| 17 | 3, 16 | readdcld 11290 |
. . . . . 6
⊢ (𝑆 ∈ States → ((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) ∈ ℝ) |
| 18 | | ltne 11358 |
. . . . . . 7
⊢ ((((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) ∈ ℝ ∧ ((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) < 3) → 3 ≠ ((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶)))) |
| 19 | 18 | ex 412 |
. . . . . 6
⊢ (((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) ∈ ℝ → (((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) < 3 → 3 ≠ ((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))))) |
| 20 | 17, 19 | syl 17 |
. . . . 5
⊢ (𝑆 ∈ States → (((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) < 3 → 3 ≠ ((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))))) |
| 21 | 20 | necon2bd 2956 |
. . . 4
⊢ (𝑆 ∈ States → (3 =
((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) → ¬ ((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) < 3)) |
| 22 | 15, 21 | biimtrid 242 |
. . 3
⊢ (𝑆 ∈ States → (((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) = 3 → ¬ ((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) < 3)) |
| 23 | | 1re 11261 |
. . . . . . . . . . 11
⊢ 1 ∈
ℝ |
| 24 | 23, 23 | readdcli 11276 |
. . . . . . . . . 10
⊢ (1 + 1)
∈ ℝ |
| 25 | 24 | a1i 11 |
. . . . . . . . 9
⊢ (𝑆 ∈ States → (1 + 1)
∈ ℝ) |
| 26 | | 1red 11262 |
. . . . . . . . . 10
⊢ (𝑆 ∈ States → 1 ∈
ℝ) |
| 27 | | stle1 32244 |
. . . . . . . . . . 11
⊢ (𝑆 ∈ States → (𝐵 ∈
Cℋ → (𝑆‘𝐵) ≤ 1)) |
| 28 | 5, 27 | mpi 20 |
. . . . . . . . . 10
⊢ (𝑆 ∈ States → (𝑆‘𝐵) ≤ 1) |
| 29 | | stle1 32244 |
. . . . . . . . . . 11
⊢ (𝑆 ∈ States → (𝐶 ∈
Cℋ → (𝑆‘𝐶) ≤ 1)) |
| 30 | 9, 29 | mpi 20 |
. . . . . . . . . 10
⊢ (𝑆 ∈ States → (𝑆‘𝐶) ≤ 1) |
| 31 | 7, 11, 26, 26, 28, 30 | le2addd 11882 |
. . . . . . . . 9
⊢ (𝑆 ∈ States → ((𝑆‘𝐵) + (𝑆‘𝐶)) ≤ (1 + 1)) |
| 32 | 16, 25, 3, 31 | leadd2dd 11878 |
. . . . . . . 8
⊢ (𝑆 ∈ States → ((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) ≤ ((𝑆‘𝐴) + (1 + 1))) |
| 33 | 32 | adantr 480 |
. . . . . . 7
⊢ ((𝑆 ∈ States ∧ (𝑆‘𝐴) < 1) → ((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) ≤ ((𝑆‘𝐴) + (1 + 1))) |
| 34 | | ltadd1 11730 |
. . . . . . . . . 10
⊢ (((𝑆‘𝐴) ∈ ℝ ∧ 1 ∈ ℝ
∧ (1 + 1) ∈ ℝ) → ((𝑆‘𝐴) < 1 ↔ ((𝑆‘𝐴) + (1 + 1)) < (1 + (1 +
1)))) |
| 35 | 34 | biimpd 229 |
. . . . . . . . 9
⊢ (((𝑆‘𝐴) ∈ ℝ ∧ 1 ∈ ℝ
∧ (1 + 1) ∈ ℝ) → ((𝑆‘𝐴) < 1 → ((𝑆‘𝐴) + (1 + 1)) < (1 + (1 +
1)))) |
| 36 | 3, 26, 25, 35 | syl3anc 1373 |
. . . . . . . 8
⊢ (𝑆 ∈ States → ((𝑆‘𝐴) < 1 → ((𝑆‘𝐴) + (1 + 1)) < (1 + (1 +
1)))) |
| 37 | 36 | imp 406 |
. . . . . . 7
⊢ ((𝑆 ∈ States ∧ (𝑆‘𝐴) < 1) → ((𝑆‘𝐴) + (1 + 1)) < (1 + (1 +
1))) |
| 38 | | readdcl 11238 |
. . . . . . . . . 10
⊢ (((𝑆‘𝐴) ∈ ℝ ∧ (1 + 1) ∈
ℝ) → ((𝑆‘𝐴) + (1 + 1)) ∈
ℝ) |
| 39 | 3, 24, 38 | sylancl 586 |
. . . . . . . . 9
⊢ (𝑆 ∈ States → ((𝑆‘𝐴) + (1 + 1)) ∈
ℝ) |
| 40 | 23, 24 | readdcli 11276 |
. . . . . . . . . 10
⊢ (1 + (1 +
1)) ∈ ℝ |
| 41 | 40 | a1i 11 |
. . . . . . . . 9
⊢ (𝑆 ∈ States → (1 + (1 +
1)) ∈ ℝ) |
| 42 | | lelttr 11351 |
. . . . . . . . 9
⊢ ((((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) ∈ ℝ ∧ ((𝑆‘𝐴) + (1 + 1)) ∈ ℝ ∧ (1 + (1 +
1)) ∈ ℝ) → ((((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) ≤ ((𝑆‘𝐴) + (1 + 1)) ∧ ((𝑆‘𝐴) + (1 + 1)) < (1 + (1 + 1))) →
((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) < (1 + (1 + 1)))) |
| 43 | 17, 39, 41, 42 | syl3anc 1373 |
. . . . . . . 8
⊢ (𝑆 ∈ States → ((((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) ≤ ((𝑆‘𝐴) + (1 + 1)) ∧ ((𝑆‘𝐴) + (1 + 1)) < (1 + (1 + 1))) →
((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) < (1 + (1 + 1)))) |
| 44 | 43 | adantr 480 |
. . . . . . 7
⊢ ((𝑆 ∈ States ∧ (𝑆‘𝐴) < 1) → ((((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) ≤ ((𝑆‘𝐴) + (1 + 1)) ∧ ((𝑆‘𝐴) + (1 + 1)) < (1 + (1 + 1))) →
((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) < (1 + (1 + 1)))) |
| 45 | 33, 37, 44 | mp2and 699 |
. . . . . 6
⊢ ((𝑆 ∈ States ∧ (𝑆‘𝐴) < 1) → ((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) < (1 + (1 + 1))) |
| 46 | | df-3 12330 |
. . . . . . 7
⊢ 3 = (2 +
1) |
| 47 | | df-2 12329 |
. . . . . . . 8
⊢ 2 = (1 +
1) |
| 48 | 47 | oveq1i 7441 |
. . . . . . 7
⊢ (2 + 1) =
((1 + 1) + 1) |
| 49 | | ax-1cn 11213 |
. . . . . . . 8
⊢ 1 ∈
ℂ |
| 50 | 49, 49, 49 | addassi 11271 |
. . . . . . 7
⊢ ((1 + 1)
+ 1) = (1 + (1 + 1)) |
| 51 | 46, 48, 50 | 3eqtrri 2770 |
. . . . . 6
⊢ (1 + (1 +
1)) = 3 |
| 52 | 45, 51 | breqtrdi 5184 |
. . . . 5
⊢ ((𝑆 ∈ States ∧ (𝑆‘𝐴) < 1) → ((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) < 3) |
| 53 | 52 | ex 412 |
. . . 4
⊢ (𝑆 ∈ States → ((𝑆‘𝐴) < 1 → ((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) < 3)) |
| 54 | 53 | con3d 152 |
. . 3
⊢ (𝑆 ∈ States → (¬
((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) < 3 → ¬ (𝑆‘𝐴) < 1)) |
| 55 | | stle1 32244 |
. . . . . 6
⊢ (𝑆 ∈ States → (𝐴 ∈
Cℋ → (𝑆‘𝐴) ≤ 1)) |
| 56 | 1, 55 | mpi 20 |
. . . . 5
⊢ (𝑆 ∈ States → (𝑆‘𝐴) ≤ 1) |
| 57 | | leloe 11347 |
. . . . . 6
⊢ (((𝑆‘𝐴) ∈ ℝ ∧ 1 ∈ ℝ)
→ ((𝑆‘𝐴) ≤ 1 ↔ ((𝑆‘𝐴) < 1 ∨ (𝑆‘𝐴) = 1))) |
| 58 | 3, 23, 57 | sylancl 586 |
. . . . 5
⊢ (𝑆 ∈ States → ((𝑆‘𝐴) ≤ 1 ↔ ((𝑆‘𝐴) < 1 ∨ (𝑆‘𝐴) = 1))) |
| 59 | 56, 58 | mpbid 232 |
. . . 4
⊢ (𝑆 ∈ States → ((𝑆‘𝐴) < 1 ∨ (𝑆‘𝐴) = 1)) |
| 60 | 59 | ord 865 |
. . 3
⊢ (𝑆 ∈ States → (¬
(𝑆‘𝐴) < 1 → (𝑆‘𝐴) = 1)) |
| 61 | 22, 54, 60 | 3syld 60 |
. 2
⊢ (𝑆 ∈ States → (((𝑆‘𝐴) + ((𝑆‘𝐵) + (𝑆‘𝐶))) = 3 → (𝑆‘𝐴) = 1)) |
| 62 | 14, 61 | sylbid 240 |
1
⊢ (𝑆 ∈ States → ((((𝑆‘𝐴) + (𝑆‘𝐵)) + (𝑆‘𝐶)) = 3 → (𝑆‘𝐴) = 1)) |