Proof of Theorem stadd
| Step | Hyp | Ref
| Expression |
| 1 | | axaddrcl 4067 |
. . . . . 6
⊢ (((S
‘A) ∈ ℝ ∧ (S ‘B)
∈ ℝ) → ((S ‘A) + (S
‘B)) ∈ ℝ) |
| 2 | | stle.1 |
. . . . . . 7
⊢ A
∈ Cℋ |
| 3 | | stclt 5672 |
. . . . . . 7
⊢ (S
∈ States → (A ∈
Cℋ → (S
‘A) ∈ ℝ)) |
| 4 | 2, 3 | mpi 44 |
. . . . . 6
⊢ (S
∈ States → (S ‘A) ∈ ℝ) |
| 5 | | stle.2 |
. . . . . . 7
⊢ B
∈ Cℋ |
| 6 | | stclt 5672 |
. . . . . . 7
⊢ (S
∈ States → (B ∈
Cℋ → (S
‘B) ∈ ℝ)) |
| 7 | 5, 6 | mpi 44 |
. . . . . 6
⊢ (S
∈ States → (S ‘B) ∈ ℝ) |
| 8 | 1, 4, 7 | sylanc 361 |
. . . . 5
⊢ (S
∈ States → ((S ‘A) + (S
‘B)) ∈ ℝ) |
| 9 | | 2re 4470 |
. . . . 5
⊢ 2 ∈ ℝ |
| 10 | 8, 9 | jctir 241 |
. . . 4
⊢ (S
∈ States → (((S ‘A) + (S
‘B)) ∈ ℝ ∧ 2 ∈
ℝ)) |
| 11 | | ltnet 4282 |
. . . 4
⊢ ((((S
‘A) + (S ‘B))
∈ ℝ ∧ 2 ∈ ℝ) → (((S ‘A) +
(S ‘B)) < 2 → ¬ ((S ‘A) +
(S ‘B)) = 2)) |
| 12 | 10, 11 | syl 12 |
. . 3
⊢ (S
∈ States → (((S ‘A) + (S
‘B)) < 2 → ¬ ((S ‘A) +
(S ‘B)) = 2)) |
| 13 | 12 | con2d 83 |
. 2
⊢ (S
∈ States → (((S ‘A) + (S
‘B)) = 2 → ¬ ((S ‘A) +
(S ‘B)) < 2)) |
| 14 | | stle1t 5674 |
. . . . . . . . . 10
⊢ (S
∈ States → (B ∈
Cℋ → (S
‘B) ≤ 1)) |
| 15 | 5, 14 | mpi 44 |
. . . . . . . . 9
⊢ (S
∈ States → (S ‘B) ≤ 1) |
| 16 | | leadd2t 4351 |
. . . . . . . . . 10
⊢ (((S
‘B) ∈ ℝ ∧ 1 ∈
ℝ ∧ (S ‘A) ∈ ℝ) → ((S ‘B) ≤
1 ↔ ((S ‘A) + (S
‘B)) ≤ ((S ‘A) +
1))) |
| 17 | | ax1re 4064 |
. . . . . . . . . . 11
⊢ 1 ∈ ℝ |
| 18 | 17 | a1i 7 |
. . . . . . . . . 10
⊢ (S
∈ States → 1 ∈ ℝ) |
| 19 | 16, 7, 18, 4 | syl3anc 629 |
. . . . . . . . 9
⊢ (S
∈ States → ((S ‘B) ≤ 1 ↔ ((S ‘A) +
(S ‘B)) ≤ ((S
‘A) + 1))) |
| 20 | 15, 19 | mpbid 170 |
. . . . . . . 8
⊢ (S
∈ States → ((S ‘A) + (S
‘B)) ≤ ((S ‘A) +
1)) |
| 21 | 20 | adantr 306 |
. . . . . . 7
⊢ ((S
∈ States ∧ (S ‘A) < 1) → ((S ‘A) +
(S ‘B)) ≤ ((S
‘A) + 1)) |
| 22 | | ltadd1t 4348 |
. . . . . . . . . 10
⊢ (((S
‘A) ∈ ℝ ∧ 1 ∈
ℝ ∧ 1 ∈ ℝ) → ((S
‘A) < 1 ↔ ((S ‘A) + 1)
< (1 + 1))) |
| 23 | 22 | biimpd 135 |
. . . . . . . . 9
⊢ (((S
‘A) ∈ ℝ ∧ 1 ∈
ℝ ∧ 1 ∈ ℝ) → ((S
‘A) < 1 → ((S ‘A) + 1)
< (1 + 1))) |
| 24 | 23, 4, 18, 18 | syl3anc 629 |
. . . . . . . 8
⊢ (S
∈ States → ((S ‘A) < 1 → ((S ‘A) + 1)
< (1 + 1))) |
| 25 | 24 | imp 277 |
. . . . . . 7
⊢ ((S
∈ States ∧ (S ‘A) < 1) → ((S ‘A) + 1)
< (1 + 1)) |
| 26 | | lelttrt 4289 |
. . . . . . . . 9
⊢ ((((S
‘A) + (S ‘B))
∈ ℝ ∧ ((S ‘A) + 1) ∈ ℝ ∧ (1 + 1) ∈ ℝ)
→ ((((S ‘A) + (S
‘B)) ≤ ((S ‘A) + 1)
∧ ((S ‘A) + 1) < (1 + 1)) → ((S ‘A) +
(S ‘B)) < (1 + 1))) |
| 27 | 4, 17 | jctir 241 |
. . . . . . . . . 10
⊢ (S
∈ States → ((S ‘A) ∈ ℝ ∧ 1 ∈ ℝ)) |
| 28 | | axaddrcl 4067 |
. . . . . . . . . 10
⊢ (((S
‘A) ∈ ℝ ∧ 1 ∈
ℝ) → ((S ‘A) + 1) ∈ ℝ) |
| 29 | 27, 28 | syl 12 |
. . . . . . . . 9
⊢ (S
∈ States → ((S ‘A) + 1) ∈ ℝ) |
| 30 | 17, 17 | readdcl 4118 |
. . . . . . . . . 10
⊢ (1 + 1) ∈ ℝ |
| 31 | 30 | a1i 7 |
. . . . . . . . 9
⊢ (S
∈ States → (1 + 1) ∈ ℝ) |
| 32 | 26, 8, 29, 31 | syl3anc 629 |
. . . . . . . 8
⊢ (S
∈ States → ((((S ‘A) + (S
‘B)) ≤ ((S ‘A) + 1)
∧ ((S ‘A) + 1) < (1 + 1)) → ((S ‘A) +
(S ‘B)) < (1 + 1))) |
| 33 | 32 | adantr 306 |
. . . . . . 7
⊢ ((S
∈ States ∧ (S ‘A) < 1) → ((((S ‘A) +
(S ‘B)) ≤ ((S
‘A) + 1) ∧ ((S ‘A) + 1)
< (1 + 1)) → ((S ‘A) + (S
‘B)) < (1 + 1))) |
| 34 | 21, 25, 33 | mp2and 526 |
. . . . . 6
⊢ ((S
∈ States ∧ (S ‘A) < 1) → ((S ‘A) +
(S ‘B)) < (1 + 1)) |
| 35 | | df-2 4462 |
. . . . . . 7
⊢ 2 = (1 + 1) |
| 36 | 35 | cleqcomi 1105 |
. . . . . 6
⊢ (1 + 1) = 2 |
| 37 | 34, 36 | syl6breq 2093 |
. . . . 5
⊢ ((S
∈ States ∧ (S ‘A) < 1) → ((S ‘A) +
(S ‘B)) < 2) |
| 38 | 37 | exp 291 |
. . . 4
⊢ (S
∈ States → ((S ‘A) < 1 → ((S ‘A) +
(S ‘B)) < 2)) |
| 39 | 38 | con3d 87 |
. . 3
⊢ (S
∈ States → (¬ ((S
‘A) + (S ‘B))
< 2 → ¬ (S ‘A) < 1)) |
| 40 | | stle1t 5674 |
. . . . . 6
⊢ (S
∈ States → (A ∈
Cℋ → (S
‘A) ≤ 1)) |
| 41 | 2, 40 | mpi 44 |
. . . . 5
⊢ (S
∈ States → (S ‘A) ≤ 1) |
| 42 | | leloet 4284 |
. . . . . 6
⊢ (((S
‘A) ∈ ℝ ∧ 1 ∈
ℝ) → ((S ‘A) ≤ 1 ↔ ((S ‘A) <
1 ∨ (S ‘A) = 1))) |
| 43 | 27, 42 | syl 12 |
. . . . 5
⊢ (S
∈ States → ((S ‘A) ≤ 1 ↔ ((S ‘A) <
1 ∨ (S ‘A) = 1))) |
| 44 | 41, 43 | mpbid 170 |
. . . 4
⊢ (S
∈ States → ((S ‘A) < 1 ∨ (S ‘A) =
1)) |
| 45 | 44 | ord 202 |
. . 3
⊢ (S
∈ States → (¬ (S
‘A) < 1 → (S ‘A) =
1)) |
| 46 | 39, 45 | syld 27 |
. 2
⊢ (S
∈ States → (¬ ((S
‘A) + (S ‘B))
< 2 → (S ‘A) = 1)) |
| 47 | 13, 46 | syld 27 |
1
⊢ (S
∈ States → (((S ‘A) + (S
‘B)) = 2 → (S ‘A) =
1)) |