Proof of Theorem trlnid
| Step | Hyp | Ref
| Expression |
| 1 | | simp3l 1202 |
. 2
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝐹 ≠ 𝐺 ∧ (𝑅‘𝐹) = (𝑅‘𝐺))) → 𝐹 ≠ 𝐺) |
| 2 | | simp1 1136 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝐹 ≠ 𝐺 ∧ (𝑅‘𝐹) = (𝑅‘𝐺))) → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻)) |
| 3 | | simp2l 1200 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝐹 ≠ 𝐺 ∧ (𝑅‘𝐹) = (𝑅‘𝐺))) → 𝐹 ∈ 𝑇) |
| 4 | | trlnid.b |
. . . . . 6
⊢ 𝐵 = (Base‘𝐾) |
| 5 | | eqid 2730 |
. . . . . 6
⊢
(0.‘𝐾) =
(0.‘𝐾) |
| 6 | | trlnid.h |
. . . . . 6
⊢ 𝐻 = (LHyp‘𝐾) |
| 7 | | trlnid.t |
. . . . . 6
⊢ 𝑇 = ((LTrn‘𝐾)‘𝑊) |
| 8 | | trlnid.r |
. . . . . 6
⊢ 𝑅 = ((trL‘𝐾)‘𝑊) |
| 9 | 4, 5, 6, 7, 8 | trlid0b 40164 |
. . . . 5
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐹 ∈ 𝑇) → (𝐹 = ( I ↾ 𝐵) ↔ (𝑅‘𝐹) = (0.‘𝐾))) |
| 10 | 2, 3, 9 | syl2anc 584 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝐹 ≠ 𝐺 ∧ (𝑅‘𝐹) = (𝑅‘𝐺))) → (𝐹 = ( I ↾ 𝐵) ↔ (𝑅‘𝐹) = (0.‘𝐾))) |
| 11 | 10 | biimpar 477 |
. . . . . 6
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝐹 ≠ 𝐺 ∧ (𝑅‘𝐹) = (𝑅‘𝐺))) ∧ (𝑅‘𝐹) = (0.‘𝐾)) → 𝐹 = ( I ↾ 𝐵)) |
| 12 | | simp3r 1203 |
. . . . . . . . 9
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝐹 ≠ 𝐺 ∧ (𝑅‘𝐹) = (𝑅‘𝐺))) → (𝑅‘𝐹) = (𝑅‘𝐺)) |
| 13 | 12 | eqeq1d 2732 |
. . . . . . . 8
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝐹 ≠ 𝐺 ∧ (𝑅‘𝐹) = (𝑅‘𝐺))) → ((𝑅‘𝐹) = (0.‘𝐾) ↔ (𝑅‘𝐺) = (0.‘𝐾))) |
| 14 | 13 | biimpa 476 |
. . . . . . 7
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝐹 ≠ 𝐺 ∧ (𝑅‘𝐹) = (𝑅‘𝐺))) ∧ (𝑅‘𝐹) = (0.‘𝐾)) → (𝑅‘𝐺) = (0.‘𝐾)) |
| 15 | | simpl1 1192 |
. . . . . . . 8
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝐹 ≠ 𝐺 ∧ (𝑅‘𝐹) = (𝑅‘𝐺))) ∧ (𝑅‘𝐹) = (0.‘𝐾)) → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻)) |
| 16 | | simpl2r 1228 |
. . . . . . . 8
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝐹 ≠ 𝐺 ∧ (𝑅‘𝐹) = (𝑅‘𝐺))) ∧ (𝑅‘𝐹) = (0.‘𝐾)) → 𝐺 ∈ 𝑇) |
| 17 | 4, 5, 6, 7, 8 | trlid0b 40164 |
. . . . . . . 8
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝐺 ∈ 𝑇) → (𝐺 = ( I ↾ 𝐵) ↔ (𝑅‘𝐺) = (0.‘𝐾))) |
| 18 | 15, 16, 17 | syl2anc 584 |
. . . . . . 7
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝐹 ≠ 𝐺 ∧ (𝑅‘𝐹) = (𝑅‘𝐺))) ∧ (𝑅‘𝐹) = (0.‘𝐾)) → (𝐺 = ( I ↾ 𝐵) ↔ (𝑅‘𝐺) = (0.‘𝐾))) |
| 19 | 14, 18 | mpbird 257 |
. . . . . 6
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝐹 ≠ 𝐺 ∧ (𝑅‘𝐹) = (𝑅‘𝐺))) ∧ (𝑅‘𝐹) = (0.‘𝐾)) → 𝐺 = ( I ↾ 𝐵)) |
| 20 | 11, 19 | eqtr4d 2768 |
. . . . 5
⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝐹 ≠ 𝐺 ∧ (𝑅‘𝐹) = (𝑅‘𝐺))) ∧ (𝑅‘𝐹) = (0.‘𝐾)) → 𝐹 = 𝐺) |
| 21 | 20 | ex 412 |
. . . 4
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝐹 ≠ 𝐺 ∧ (𝑅‘𝐹) = (𝑅‘𝐺))) → ((𝑅‘𝐹) = (0.‘𝐾) → 𝐹 = 𝐺)) |
| 22 | 10, 21 | sylbid 240 |
. . 3
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝐹 ≠ 𝐺 ∧ (𝑅‘𝐹) = (𝑅‘𝐺))) → (𝐹 = ( I ↾ 𝐵) → 𝐹 = 𝐺)) |
| 23 | 22 | necon3d 2948 |
. 2
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝐹 ≠ 𝐺 ∧ (𝑅‘𝐹) = (𝑅‘𝐺))) → (𝐹 ≠ 𝐺 → 𝐹 ≠ ( I ↾ 𝐵))) |
| 24 | 1, 23 | mpd 15 |
1
⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇) ∧ (𝐹 ≠ 𝐺 ∧ (𝑅‘𝐹) = (𝑅‘𝐺))) → 𝐹 ≠ ( I ↾ 𝐵)) |