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Mirrors > Home > HSE Home > Th. List > cvcon3 | Structured version Visualization version GIF version |
Description: Contraposition law for the covers relation. (Contributed by NM, 12-Jun-2004.) (New usage is discouraged.) |
Ref | Expression |
---|---|
cvcon3 | ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (𝐴 ⋖ℋ 𝐵 ↔ (⊥‘𝐵) ⋖ℋ (⊥‘𝐴))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | chpsscon3 30250 | . . 3 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (𝐴 ⊊ 𝐵 ↔ (⊥‘𝐵) ⊊ (⊥‘𝐴))) | |
2 | chpsscon3 30250 | . . . . . . . . 9 ⊢ ((𝐴 ∈ Cℋ ∧ 𝑥 ∈ Cℋ ) → (𝐴 ⊊ 𝑥 ↔ (⊥‘𝑥) ⊊ (⊥‘𝐴))) | |
3 | 2 | adantlr 714 | . . . . . . . 8 ⊢ (((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) ∧ 𝑥 ∈ Cℋ ) → (𝐴 ⊊ 𝑥 ↔ (⊥‘𝑥) ⊊ (⊥‘𝐴))) |
4 | chpsscon3 30250 | . . . . . . . . . 10 ⊢ ((𝑥 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (𝑥 ⊊ 𝐵 ↔ (⊥‘𝐵) ⊊ (⊥‘𝑥))) | |
5 | 4 | ancoms 460 | . . . . . . . . 9 ⊢ ((𝐵 ∈ Cℋ ∧ 𝑥 ∈ Cℋ ) → (𝑥 ⊊ 𝐵 ↔ (⊥‘𝐵) ⊊ (⊥‘𝑥))) |
6 | 5 | adantll 713 | . . . . . . . 8 ⊢ (((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) ∧ 𝑥 ∈ Cℋ ) → (𝑥 ⊊ 𝐵 ↔ (⊥‘𝐵) ⊊ (⊥‘𝑥))) |
7 | 3, 6 | anbi12d 632 | . . . . . . 7 ⊢ (((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) ∧ 𝑥 ∈ Cℋ ) → ((𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵) ↔ ((⊥‘𝑥) ⊊ (⊥‘𝐴) ∧ (⊥‘𝐵) ⊊ (⊥‘𝑥)))) |
8 | choccl 30053 | . . . . . . . . . . 11 ⊢ (𝑥 ∈ Cℋ → (⊥‘𝑥) ∈ Cℋ ) | |
9 | psseq2 4047 | . . . . . . . . . . . . 13 ⊢ (𝑦 = (⊥‘𝑥) → ((⊥‘𝐵) ⊊ 𝑦 ↔ (⊥‘𝐵) ⊊ (⊥‘𝑥))) | |
10 | psseq1 4046 | . . . . . . . . . . . . 13 ⊢ (𝑦 = (⊥‘𝑥) → (𝑦 ⊊ (⊥‘𝐴) ↔ (⊥‘𝑥) ⊊ (⊥‘𝐴))) | |
11 | 9, 10 | anbi12d 632 | . . . . . . . . . . . 12 ⊢ (𝑦 = (⊥‘𝑥) → (((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴)) ↔ ((⊥‘𝐵) ⊊ (⊥‘𝑥) ∧ (⊥‘𝑥) ⊊ (⊥‘𝐴)))) |
12 | 11 | rspcev 3580 | . . . . . . . . . . 11 ⊢ (((⊥‘𝑥) ∈ Cℋ ∧ ((⊥‘𝐵) ⊊ (⊥‘𝑥) ∧ (⊥‘𝑥) ⊊ (⊥‘𝐴))) → ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴))) |
13 | 8, 12 | sylan 581 | . . . . . . . . . 10 ⊢ ((𝑥 ∈ Cℋ ∧ ((⊥‘𝐵) ⊊ (⊥‘𝑥) ∧ (⊥‘𝑥) ⊊ (⊥‘𝐴))) → ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴))) |
14 | 13 | ex 414 | . . . . . . . . 9 ⊢ (𝑥 ∈ Cℋ → (((⊥‘𝐵) ⊊ (⊥‘𝑥) ∧ (⊥‘𝑥) ⊊ (⊥‘𝐴)) → ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴)))) |
15 | 14 | ancomsd 467 | . . . . . . . 8 ⊢ (𝑥 ∈ Cℋ → (((⊥‘𝑥) ⊊ (⊥‘𝐴) ∧ (⊥‘𝐵) ⊊ (⊥‘𝑥)) → ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴)))) |
16 | 15 | adantl 483 | . . . . . . 7 ⊢ (((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) ∧ 𝑥 ∈ Cℋ ) → (((⊥‘𝑥) ⊊ (⊥‘𝐴) ∧ (⊥‘𝐵) ⊊ (⊥‘𝑥)) → ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴)))) |
17 | 7, 16 | sylbid 239 | . . . . . 6 ⊢ (((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) ∧ 𝑥 ∈ Cℋ ) → ((𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵) → ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴)))) |
18 | 17 | rexlimdva 3151 | . . . . 5 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵) → ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴)))) |
19 | chpsscon1 30251 | . . . . . . . . 9 ⊢ ((𝐵 ∈ Cℋ ∧ 𝑦 ∈ Cℋ ) → ((⊥‘𝐵) ⊊ 𝑦 ↔ (⊥‘𝑦) ⊊ 𝐵)) | |
20 | 19 | adantll 713 | . . . . . . . 8 ⊢ (((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) ∧ 𝑦 ∈ Cℋ ) → ((⊥‘𝐵) ⊊ 𝑦 ↔ (⊥‘𝑦) ⊊ 𝐵)) |
21 | chpsscon2 30252 | . . . . . . . . . 10 ⊢ ((𝑦 ∈ Cℋ ∧ 𝐴 ∈ Cℋ ) → (𝑦 ⊊ (⊥‘𝐴) ↔ 𝐴 ⊊ (⊥‘𝑦))) | |
22 | 21 | ancoms 460 | . . . . . . . . 9 ⊢ ((𝐴 ∈ Cℋ ∧ 𝑦 ∈ Cℋ ) → (𝑦 ⊊ (⊥‘𝐴) ↔ 𝐴 ⊊ (⊥‘𝑦))) |
23 | 22 | adantlr 714 | . . . . . . . 8 ⊢ (((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) ∧ 𝑦 ∈ Cℋ ) → (𝑦 ⊊ (⊥‘𝐴) ↔ 𝐴 ⊊ (⊥‘𝑦))) |
24 | 20, 23 | anbi12d 632 | . . . . . . 7 ⊢ (((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) ∧ 𝑦 ∈ Cℋ ) → (((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴)) ↔ ((⊥‘𝑦) ⊊ 𝐵 ∧ 𝐴 ⊊ (⊥‘𝑦)))) |
25 | choccl 30053 | . . . . . . . . . . 11 ⊢ (𝑦 ∈ Cℋ → (⊥‘𝑦) ∈ Cℋ ) | |
26 | psseq2 4047 | . . . . . . . . . . . . 13 ⊢ (𝑥 = (⊥‘𝑦) → (𝐴 ⊊ 𝑥 ↔ 𝐴 ⊊ (⊥‘𝑦))) | |
27 | psseq1 4046 | . . . . . . . . . . . . 13 ⊢ (𝑥 = (⊥‘𝑦) → (𝑥 ⊊ 𝐵 ↔ (⊥‘𝑦) ⊊ 𝐵)) | |
28 | 26, 27 | anbi12d 632 | . . . . . . . . . . . 12 ⊢ (𝑥 = (⊥‘𝑦) → ((𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵) ↔ (𝐴 ⊊ (⊥‘𝑦) ∧ (⊥‘𝑦) ⊊ 𝐵))) |
29 | 28 | rspcev 3580 | . . . . . . . . . . 11 ⊢ (((⊥‘𝑦) ∈ Cℋ ∧ (𝐴 ⊊ (⊥‘𝑦) ∧ (⊥‘𝑦) ⊊ 𝐵)) → ∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵)) |
30 | 25, 29 | sylan 581 | . . . . . . . . . 10 ⊢ ((𝑦 ∈ Cℋ ∧ (𝐴 ⊊ (⊥‘𝑦) ∧ (⊥‘𝑦) ⊊ 𝐵)) → ∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵)) |
31 | 30 | ex 414 | . . . . . . . . 9 ⊢ (𝑦 ∈ Cℋ → ((𝐴 ⊊ (⊥‘𝑦) ∧ (⊥‘𝑦) ⊊ 𝐵) → ∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵))) |
32 | 31 | ancomsd 467 | . . . . . . . 8 ⊢ (𝑦 ∈ Cℋ → (((⊥‘𝑦) ⊊ 𝐵 ∧ 𝐴 ⊊ (⊥‘𝑦)) → ∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵))) |
33 | 32 | adantl 483 | . . . . . . 7 ⊢ (((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) ∧ 𝑦 ∈ Cℋ ) → (((⊥‘𝑦) ⊊ 𝐵 ∧ 𝐴 ⊊ (⊥‘𝑦)) → ∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵))) |
34 | 24, 33 | sylbid 239 | . . . . . 6 ⊢ (((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) ∧ 𝑦 ∈ Cℋ ) → (((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴)) → ∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵))) |
35 | 34 | rexlimdva 3151 | . . . . 5 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴)) → ∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵))) |
36 | 18, 35 | impbid 211 | . . . 4 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵) ↔ ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴)))) |
37 | 36 | notbid 318 | . . 3 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (¬ ∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵) ↔ ¬ ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴)))) |
38 | 1, 37 | anbi12d 632 | . 2 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → ((𝐴 ⊊ 𝐵 ∧ ¬ ∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵)) ↔ ((⊥‘𝐵) ⊊ (⊥‘𝐴) ∧ ¬ ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴))))) |
39 | cvbr 31029 | . 2 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (𝐴 ⋖ℋ 𝐵 ↔ (𝐴 ⊊ 𝐵 ∧ ¬ ∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵)))) | |
40 | choccl 30053 | . . 3 ⊢ (𝐵 ∈ Cℋ → (⊥‘𝐵) ∈ Cℋ ) | |
41 | choccl 30053 | . . 3 ⊢ (𝐴 ∈ Cℋ → (⊥‘𝐴) ∈ Cℋ ) | |
42 | cvbr 31029 | . . 3 ⊢ (((⊥‘𝐵) ∈ Cℋ ∧ (⊥‘𝐴) ∈ Cℋ ) → ((⊥‘𝐵) ⋖ℋ (⊥‘𝐴) ↔ ((⊥‘𝐵) ⊊ (⊥‘𝐴) ∧ ¬ ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴))))) | |
43 | 40, 41, 42 | syl2anr 598 | . 2 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → ((⊥‘𝐵) ⋖ℋ (⊥‘𝐴) ↔ ((⊥‘𝐵) ⊊ (⊥‘𝐴) ∧ ¬ ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴))))) |
44 | 38, 39, 43 | 3bitr4d 311 | 1 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (𝐴 ⋖ℋ 𝐵 ↔ (⊥‘𝐵) ⋖ℋ (⊥‘𝐴))) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 397 = wceq 1542 ∈ wcel 2107 ∃wrex 3072 ⊊ wpss 3910 class class class wbr 5104 ‘cfv 6492 Cℋ cch 29676 ⊥cort 29677 ⋖ℋ ccv 29711 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2709 ax-rep 5241 ax-sep 5255 ax-nul 5262 ax-pow 5319 ax-pr 5383 ax-un 7663 ax-inf2 9511 ax-cc 10305 ax-cnex 11041 ax-resscn 11042 ax-1cn 11043 ax-icn 11044 ax-addcl 11045 ax-addrcl 11046 ax-mulcl 11047 ax-mulrcl 11048 ax-mulcom 11049 ax-addass 11050 ax-mulass 11051 ax-distr 11052 ax-i2m1 11053 ax-1ne0 11054 ax-1rid 11055 ax-rnegex 11056 ax-rrecex 11057 ax-cnre 11058 ax-pre-lttri 11059 ax-pre-lttrn 11060 ax-pre-ltadd 11061 ax-pre-mulgt0 11062 ax-pre-sup 11063 ax-addf 11064 ax-mulf 11065 ax-hilex 29746 ax-hfvadd 29747 ax-hvcom 29748 ax-hvass 29749 ax-hv0cl 29750 ax-hvaddid 29751 ax-hfvmul 29752 ax-hvmulid 29753 ax-hvmulass 29754 ax-hvdistr1 29755 ax-hvdistr2 29756 ax-hvmul0 29757 ax-hfi 29826 ax-his1 29829 ax-his2 29830 ax-his3 29831 ax-his4 29832 ax-hcompl 29949 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3064 df-rex 3073 df-rmo 3352 df-reu 3353 df-rab 3407 df-v 3446 df-sbc 3739 df-csb 3855 df-dif 3912 df-un 3914 df-in 3916 df-ss 3926 df-pss 3928 df-nul 4282 df-if 4486 df-pw 4561 df-sn 4586 df-pr 4588 df-tp 4590 df-op 4592 df-uni 4865 df-int 4907 df-iun 4955 df-iin 4956 df-br 5105 df-opab 5167 df-mpt 5188 df-tr 5222 df-id 5529 df-eprel 5535 df-po 5543 df-so 5544 df-fr 5586 df-se 5587 df-we 5588 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6250 df-ord 6317 df-on 6318 df-lim 6319 df-suc 6320 df-iota 6444 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-isom 6501 df-riota 7306 df-ov 7353 df-oprab 7354 df-mpo 7355 df-of 7608 df-om 7794 df-1st 7912 df-2nd 7913 df-supp 8061 df-frecs 8180 df-wrecs 8211 df-recs 8285 df-rdg 8324 df-1o 8380 df-2o 8381 df-oadd 8384 df-omul 8385 df-er 8582 df-map 8701 df-pm 8702 df-ixp 8770 df-en 8818 df-dom 8819 df-sdom 8820 df-fin 8821 df-fsupp 9240 df-fi 9281 df-sup 9312 df-inf 9313 df-oi 9380 df-card 9809 df-acn 9812 df-pnf 11125 df-mnf 11126 df-xr 11127 df-ltxr 11128 df-le 11129 df-sub 11321 df-neg 11322 df-div 11747 df-nn 12088 df-2 12150 df-3 12151 df-4 12152 df-5 12153 df-6 12154 df-7 12155 df-8 12156 df-9 12157 df-n0 12348 df-z 12434 df-dec 12553 df-uz 12698 df-q 12804 df-rp 12846 df-xneg 12963 df-xadd 12964 df-xmul 12965 df-ioo 13198 df-ico 13200 df-icc 13201 df-fz 13355 df-fzo 13498 df-fl 13627 df-seq 13837 df-exp 13898 df-hash 14160 df-cj 14919 df-re 14920 df-im 14921 df-sqrt 15055 df-abs 15056 df-clim 15306 df-rlim 15307 df-sum 15507 df-struct 16955 df-sets 16972 df-slot 16990 df-ndx 17002 df-base 17020 df-ress 17049 df-plusg 17082 df-mulr 17083 df-starv 17084 df-sca 17085 df-vsca 17086 df-ip 17087 df-tset 17088 df-ple 17089 df-ds 17091 df-unif 17092 df-hom 17093 df-cco 17094 df-rest 17240 df-topn 17241 df-0g 17259 df-gsum 17260 df-topgen 17261 df-pt 17262 df-prds 17265 df-xrs 17320 df-qtop 17325 df-imas 17326 df-xps 17328 df-mre 17402 df-mrc 17403 df-acs 17405 df-mgm 18433 df-sgrp 18482 df-mnd 18493 df-submnd 18538 df-mulg 18808 df-cntz 19032 df-cmn 19499 df-psmet 20717 df-xmet 20718 df-met 20719 df-bl 20720 df-mopn 20721 df-fbas 20722 df-fg 20723 df-cnfld 20726 df-top 22171 df-topon 22188 df-topsp 22210 df-bases 22224 df-cld 22298 df-ntr 22299 df-cls 22300 df-nei 22377 df-cn 22506 df-cnp 22507 df-lm 22508 df-haus 22594 df-tx 22841 df-hmeo 23034 df-fil 23125 df-fm 23217 df-flim 23218 df-flf 23219 df-xms 23601 df-ms 23602 df-tms 23603 df-cfil 24547 df-cau 24548 df-cmet 24549 df-grpo 29240 df-gid 29241 df-ginv 29242 df-gdiv 29243 df-ablo 29292 df-vc 29306 df-nv 29339 df-va 29342 df-ba 29343 df-sm 29344 df-0v 29345 df-vs 29346 df-nmcv 29347 df-ims 29348 df-dip 29448 df-ssp 29469 df-ph 29560 df-cbn 29610 df-hnorm 29715 df-hba 29716 df-hvsub 29718 df-hlim 29719 df-hcau 29720 df-sh 29954 df-ch 29968 df-oc 29999 df-ch0 30000 df-cv 31026 |
This theorem is referenced by: cvdmd 31084 cvexchi 31116 |
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