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Mirrors > Home > ILE Home > Th. List > apirr | GIF version |
Description: Apartness is irreflexive. (Contributed by Jim Kingdon, 16-Feb-2020.) |
Ref | Expression |
---|---|
apirr | ⊢ (𝐴 ∈ ℂ → ¬ 𝐴 # 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cnre 7916 | . 2 ⊢ (𝐴 ∈ ℂ → ∃𝑥 ∈ ℝ ∃𝑦 ∈ ℝ 𝐴 = (𝑥 + (i · 𝑦))) | |
2 | reapirr 8496 | . . . . . . . . . 10 ⊢ (𝑥 ∈ ℝ → ¬ 𝑥 #ℝ 𝑥) | |
3 | apreap 8506 | . . . . . . . . . . 11 ⊢ ((𝑥 ∈ ℝ ∧ 𝑥 ∈ ℝ) → (𝑥 # 𝑥 ↔ 𝑥 #ℝ 𝑥)) | |
4 | 3 | anidms 395 | . . . . . . . . . 10 ⊢ (𝑥 ∈ ℝ → (𝑥 # 𝑥 ↔ 𝑥 #ℝ 𝑥)) |
5 | 2, 4 | mtbird 668 | . . . . . . . . 9 ⊢ (𝑥 ∈ ℝ → ¬ 𝑥 # 𝑥) |
6 | reapirr 8496 | . . . . . . . . . 10 ⊢ (𝑦 ∈ ℝ → ¬ 𝑦 #ℝ 𝑦) | |
7 | apreap 8506 | . . . . . . . . . . 11 ⊢ ((𝑦 ∈ ℝ ∧ 𝑦 ∈ ℝ) → (𝑦 # 𝑦 ↔ 𝑦 #ℝ 𝑦)) | |
8 | 7 | anidms 395 | . . . . . . . . . 10 ⊢ (𝑦 ∈ ℝ → (𝑦 # 𝑦 ↔ 𝑦 #ℝ 𝑦)) |
9 | 6, 8 | mtbird 668 | . . . . . . . . 9 ⊢ (𝑦 ∈ ℝ → ¬ 𝑦 # 𝑦) |
10 | 5, 9 | anim12i 336 | . . . . . . . 8 ⊢ ((𝑥 ∈ ℝ ∧ 𝑦 ∈ ℝ) → (¬ 𝑥 # 𝑥 ∧ ¬ 𝑦 # 𝑦)) |
11 | ioran 747 | . . . . . . . 8 ⊢ (¬ (𝑥 # 𝑥 ∨ 𝑦 # 𝑦) ↔ (¬ 𝑥 # 𝑥 ∧ ¬ 𝑦 # 𝑦)) | |
12 | 10, 11 | sylibr 133 | . . . . . . 7 ⊢ ((𝑥 ∈ ℝ ∧ 𝑦 ∈ ℝ) → ¬ (𝑥 # 𝑥 ∨ 𝑦 # 𝑦)) |
13 | apreim 8522 | . . . . . . . 8 ⊢ (((𝑥 ∈ ℝ ∧ 𝑦 ∈ ℝ) ∧ (𝑥 ∈ ℝ ∧ 𝑦 ∈ ℝ)) → ((𝑥 + (i · 𝑦)) # (𝑥 + (i · 𝑦)) ↔ (𝑥 # 𝑥 ∨ 𝑦 # 𝑦))) | |
14 | 13 | anidms 395 | . . . . . . 7 ⊢ ((𝑥 ∈ ℝ ∧ 𝑦 ∈ ℝ) → ((𝑥 + (i · 𝑦)) # (𝑥 + (i · 𝑦)) ↔ (𝑥 # 𝑥 ∨ 𝑦 # 𝑦))) |
15 | 12, 14 | mtbird 668 | . . . . . 6 ⊢ ((𝑥 ∈ ℝ ∧ 𝑦 ∈ ℝ) → ¬ (𝑥 + (i · 𝑦)) # (𝑥 + (i · 𝑦))) |
16 | 15 | ad2antlr 486 | . . . . 5 ⊢ (((𝐴 ∈ ℂ ∧ (𝑥 ∈ ℝ ∧ 𝑦 ∈ ℝ)) ∧ 𝐴 = (𝑥 + (i · 𝑦))) → ¬ (𝑥 + (i · 𝑦)) # (𝑥 + (i · 𝑦))) |
17 | id 19 | . . . . . . . 8 ⊢ (𝐴 = (𝑥 + (i · 𝑦)) → 𝐴 = (𝑥 + (i · 𝑦))) | |
18 | 17, 17 | breq12d 4002 | . . . . . . 7 ⊢ (𝐴 = (𝑥 + (i · 𝑦)) → (𝐴 # 𝐴 ↔ (𝑥 + (i · 𝑦)) # (𝑥 + (i · 𝑦)))) |
19 | 18 | notbid 662 | . . . . . 6 ⊢ (𝐴 = (𝑥 + (i · 𝑦)) → (¬ 𝐴 # 𝐴 ↔ ¬ (𝑥 + (i · 𝑦)) # (𝑥 + (i · 𝑦)))) |
20 | 19 | adantl 275 | . . . . 5 ⊢ (((𝐴 ∈ ℂ ∧ (𝑥 ∈ ℝ ∧ 𝑦 ∈ ℝ)) ∧ 𝐴 = (𝑥 + (i · 𝑦))) → (¬ 𝐴 # 𝐴 ↔ ¬ (𝑥 + (i · 𝑦)) # (𝑥 + (i · 𝑦)))) |
21 | 16, 20 | mpbird 166 | . . . 4 ⊢ (((𝐴 ∈ ℂ ∧ (𝑥 ∈ ℝ ∧ 𝑦 ∈ ℝ)) ∧ 𝐴 = (𝑥 + (i · 𝑦))) → ¬ 𝐴 # 𝐴) |
22 | 21 | ex 114 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ (𝑥 ∈ ℝ ∧ 𝑦 ∈ ℝ)) → (𝐴 = (𝑥 + (i · 𝑦)) → ¬ 𝐴 # 𝐴)) |
23 | 22 | rexlimdvva 2595 | . 2 ⊢ (𝐴 ∈ ℂ → (∃𝑥 ∈ ℝ ∃𝑦 ∈ ℝ 𝐴 = (𝑥 + (i · 𝑦)) → ¬ 𝐴 # 𝐴)) |
24 | 1, 23 | mpd 13 | 1 ⊢ (𝐴 ∈ ℂ → ¬ 𝐴 # 𝐴) |
Colors of variables: wff set class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 103 ↔ wb 104 ∨ wo 703 = wceq 1348 ∈ wcel 2141 ∃wrex 2449 class class class wbr 3989 (class class class)co 5853 ℂcc 7772 ℝcr 7773 ici 7776 + caddc 7777 · cmul 7779 #ℝ creap 8493 # cap 8500 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 609 ax-in2 610 ax-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-13 2143 ax-14 2144 ax-ext 2152 ax-sep 4107 ax-pow 4160 ax-pr 4194 ax-un 4418 ax-setind 4521 ax-cnex 7865 ax-resscn 7866 ax-1cn 7867 ax-1re 7868 ax-icn 7869 ax-addcl 7870 ax-addrcl 7871 ax-mulcl 7872 ax-mulrcl 7873 ax-addcom 7874 ax-mulcom 7875 ax-addass 7876 ax-mulass 7877 ax-distr 7878 ax-i2m1 7879 ax-0lt1 7880 ax-1rid 7881 ax-0id 7882 ax-rnegex 7883 ax-precex 7884 ax-cnre 7885 ax-pre-ltirr 7886 ax-pre-lttrn 7888 ax-pre-apti 7889 ax-pre-ltadd 7890 ax-pre-mulgt0 7891 |
This theorem depends on definitions: df-bi 116 df-3an 975 df-tru 1351 df-fal 1354 df-nf 1454 df-sb 1756 df-eu 2022 df-mo 2023 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ne 2341 df-nel 2436 df-ral 2453 df-rex 2454 df-reu 2455 df-rab 2457 df-v 2732 df-sbc 2956 df-dif 3123 df-un 3125 df-in 3127 df-ss 3134 df-pw 3568 df-sn 3589 df-pr 3590 df-op 3592 df-uni 3797 df-br 3990 df-opab 4051 df-id 4278 df-xp 4617 df-rel 4618 df-cnv 4619 df-co 4620 df-dm 4621 df-iota 5160 df-fun 5200 df-fv 5206 df-riota 5809 df-ov 5856 df-oprab 5857 df-mpo 5858 df-pnf 7956 df-mnf 7957 df-ltxr 7959 df-sub 8092 df-neg 8093 df-reap 8494 df-ap 8501 |
This theorem is referenced by: mulap0r 8534 eirr 11741 dcapnconst 14092 |
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