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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 7853 | . 2 ⊢ (𝐴 ∈ ℂ → ∃𝑥 ∈ ℝ ∃𝑦 ∈ ℝ 𝐴 = (𝑥 + (i · 𝑦))) | |
2 | reapirr 8431 | . . . . . . . . . 10 ⊢ (𝑥 ∈ ℝ → ¬ 𝑥 #ℝ 𝑥) | |
3 | apreap 8441 | . . . . . . . . . . 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 663 | . . . . . . . . 9 ⊢ (𝑥 ∈ ℝ → ¬ 𝑥 # 𝑥) |
6 | reapirr 8431 | . . . . . . . . . 10 ⊢ (𝑦 ∈ ℝ → ¬ 𝑦 #ℝ 𝑦) | |
7 | apreap 8441 | . . . . . . . . . . 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 663 | . . . . . . . . 9 ⊢ (𝑦 ∈ ℝ → ¬ 𝑦 # 𝑦) |
10 | 5, 9 | anim12i 336 | . . . . . . . 8 ⊢ ((𝑥 ∈ ℝ ∧ 𝑦 ∈ ℝ) → (¬ 𝑥 # 𝑥 ∧ ¬ 𝑦 # 𝑦)) |
11 | ioran 742 | . . . . . . . 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 8457 | . . . . . . . 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 663 | . . . . . 6 ⊢ ((𝑥 ∈ ℝ ∧ 𝑦 ∈ ℝ) → ¬ (𝑥 + (i · 𝑦)) # (𝑥 + (i · 𝑦))) |
16 | 15 | ad2antlr 481 | . . . . 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 3974 | . . . . . . 7 ⊢ (𝐴 = (𝑥 + (i · 𝑦)) → (𝐴 # 𝐴 ↔ (𝑥 + (i · 𝑦)) # (𝑥 + (i · 𝑦)))) |
19 | 18 | notbid 657 | . . . . . 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 2579 | . 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 698 = wceq 1332 ∈ wcel 2125 ∃wrex 2433 class class class wbr 3961 (class class class)co 5814 ℂcc 7709 ℝcr 7710 ici 7713 + caddc 7714 · cmul 7716 #ℝ creap 8428 # cap 8435 |
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 604 ax-in2 605 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1481 ax-10 1482 ax-11 1483 ax-i12 1484 ax-bndl 1486 ax-4 1487 ax-17 1503 ax-i9 1507 ax-ial 1511 ax-i5r 1512 ax-13 2127 ax-14 2128 ax-ext 2136 ax-sep 4078 ax-pow 4130 ax-pr 4164 ax-un 4388 ax-setind 4490 ax-cnex 7802 ax-resscn 7803 ax-1cn 7804 ax-1re 7805 ax-icn 7806 ax-addcl 7807 ax-addrcl 7808 ax-mulcl 7809 ax-mulrcl 7810 ax-addcom 7811 ax-mulcom 7812 ax-addass 7813 ax-mulass 7814 ax-distr 7815 ax-i2m1 7816 ax-0lt1 7817 ax-1rid 7818 ax-0id 7819 ax-rnegex 7820 ax-precex 7821 ax-cnre 7822 ax-pre-ltirr 7823 ax-pre-lttrn 7825 ax-pre-apti 7826 ax-pre-ltadd 7827 ax-pre-mulgt0 7828 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1335 df-fal 1338 df-nf 1438 df-sb 1740 df-eu 2006 df-mo 2007 df-clab 2141 df-cleq 2147 df-clel 2150 df-nfc 2285 df-ne 2325 df-nel 2420 df-ral 2437 df-rex 2438 df-reu 2439 df-rab 2441 df-v 2711 df-sbc 2934 df-dif 3100 df-un 3102 df-in 3104 df-ss 3111 df-pw 3541 df-sn 3562 df-pr 3563 df-op 3565 df-uni 3769 df-br 3962 df-opab 4022 df-id 4248 df-xp 4585 df-rel 4586 df-cnv 4587 df-co 4588 df-dm 4589 df-iota 5128 df-fun 5165 df-fv 5171 df-riota 5770 df-ov 5817 df-oprab 5818 df-mpo 5819 df-pnf 7893 df-mnf 7894 df-ltxr 7896 df-sub 8027 df-neg 8028 df-reap 8429 df-ap 8436 |
This theorem is referenced by: mulap0r 8469 eirr 11652 dcapnconst 13572 |
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