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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 31490 | . . 3 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (𝐴 ⊊ 𝐵 ↔ (⊥‘𝐵) ⊊ (⊥‘𝐴))) | |
| 2 | chpsscon3 31490 | . . . . . . . . 9 ⊢ ((𝐴 ∈ Cℋ ∧ 𝑥 ∈ Cℋ ) → (𝐴 ⊊ 𝑥 ↔ (⊥‘𝑥) ⊊ (⊥‘𝐴))) | |
| 3 | 2 | adantlr 715 | . . . . . . . 8 ⊢ (((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) ∧ 𝑥 ∈ Cℋ ) → (𝐴 ⊊ 𝑥 ↔ (⊥‘𝑥) ⊊ (⊥‘𝐴))) |
| 4 | chpsscon3 31490 | . . . . . . . . . 10 ⊢ ((𝑥 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (𝑥 ⊊ 𝐵 ↔ (⊥‘𝐵) ⊊ (⊥‘𝑥))) | |
| 5 | 4 | ancoms 458 | . . . . . . . . 9 ⊢ ((𝐵 ∈ Cℋ ∧ 𝑥 ∈ Cℋ ) → (𝑥 ⊊ 𝐵 ↔ (⊥‘𝐵) ⊊ (⊥‘𝑥))) |
| 6 | 5 | adantll 714 | . . . . . . . 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 31293 | . . . . . . . . . . 11 ⊢ (𝑥 ∈ Cℋ → (⊥‘𝑥) ∈ Cℋ ) | |
| 9 | psseq2 4040 | . . . . . . . . . . . . 13 ⊢ (𝑦 = (⊥‘𝑥) → ((⊥‘𝐵) ⊊ 𝑦 ↔ (⊥‘𝐵) ⊊ (⊥‘𝑥))) | |
| 10 | psseq1 4039 | . . . . . . . . . . . . 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 3572 | . . . . . . . . . . 11 ⊢ (((⊥‘𝑥) ∈ Cℋ ∧ ((⊥‘𝐵) ⊊ (⊥‘𝑥) ∧ (⊥‘𝑥) ⊊ (⊥‘𝐴))) → ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴))) |
| 13 | 8, 12 | sylan 580 | . . . . . . . . . 10 ⊢ ((𝑥 ∈ Cℋ ∧ ((⊥‘𝐵) ⊊ (⊥‘𝑥) ∧ (⊥‘𝑥) ⊊ (⊥‘𝐴))) → ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴))) |
| 14 | 13 | ex 412 | . . . . . . . . 9 ⊢ (𝑥 ∈ Cℋ → (((⊥‘𝐵) ⊊ (⊥‘𝑥) ∧ (⊥‘𝑥) ⊊ (⊥‘𝐴)) → ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴)))) |
| 15 | 14 | ancomsd 465 | . . . . . . . 8 ⊢ (𝑥 ∈ Cℋ → (((⊥‘𝑥) ⊊ (⊥‘𝐴) ∧ (⊥‘𝐵) ⊊ (⊥‘𝑥)) → ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴)))) |
| 16 | 15 | adantl 481 | . . . . . . 7 ⊢ (((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) ∧ 𝑥 ∈ Cℋ ) → (((⊥‘𝑥) ⊊ (⊥‘𝐴) ∧ (⊥‘𝐵) ⊊ (⊥‘𝑥)) → ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴)))) |
| 17 | 7, 16 | sylbid 240 | . . . . . 6 ⊢ (((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) ∧ 𝑥 ∈ Cℋ ) → ((𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵) → ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴)))) |
| 18 | 17 | rexlimdva 3133 | . . . . 5 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵) → ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴)))) |
| 19 | chpsscon1 31491 | . . . . . . . . 9 ⊢ ((𝐵 ∈ Cℋ ∧ 𝑦 ∈ Cℋ ) → ((⊥‘𝐵) ⊊ 𝑦 ↔ (⊥‘𝑦) ⊊ 𝐵)) | |
| 20 | 19 | adantll 714 | . . . . . . . 8 ⊢ (((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) ∧ 𝑦 ∈ Cℋ ) → ((⊥‘𝐵) ⊊ 𝑦 ↔ (⊥‘𝑦) ⊊ 𝐵)) |
| 21 | chpsscon2 31492 | . . . . . . . . . 10 ⊢ ((𝑦 ∈ Cℋ ∧ 𝐴 ∈ Cℋ ) → (𝑦 ⊊ (⊥‘𝐴) ↔ 𝐴 ⊊ (⊥‘𝑦))) | |
| 22 | 21 | ancoms 458 | . . . . . . . . 9 ⊢ ((𝐴 ∈ Cℋ ∧ 𝑦 ∈ Cℋ ) → (𝑦 ⊊ (⊥‘𝐴) ↔ 𝐴 ⊊ (⊥‘𝑦))) |
| 23 | 22 | adantlr 715 | . . . . . . . 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 31293 | . . . . . . . . . . 11 ⊢ (𝑦 ∈ Cℋ → (⊥‘𝑦) ∈ Cℋ ) | |
| 26 | psseq2 4040 | . . . . . . . . . . . . 13 ⊢ (𝑥 = (⊥‘𝑦) → (𝐴 ⊊ 𝑥 ↔ 𝐴 ⊊ (⊥‘𝑦))) | |
| 27 | psseq1 4039 | . . . . . . . . . . . . 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 3572 | . . . . . . . . . . 11 ⊢ (((⊥‘𝑦) ∈ Cℋ ∧ (𝐴 ⊊ (⊥‘𝑦) ∧ (⊥‘𝑦) ⊊ 𝐵)) → ∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵)) |
| 30 | 25, 29 | sylan 580 | . . . . . . . . . 10 ⊢ ((𝑦 ∈ Cℋ ∧ (𝐴 ⊊ (⊥‘𝑦) ∧ (⊥‘𝑦) ⊊ 𝐵)) → ∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵)) |
| 31 | 30 | ex 412 | . . . . . . . . 9 ⊢ (𝑦 ∈ Cℋ → ((𝐴 ⊊ (⊥‘𝑦) ∧ (⊥‘𝑦) ⊊ 𝐵) → ∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵))) |
| 32 | 31 | ancomsd 465 | . . . . . . . 8 ⊢ (𝑦 ∈ Cℋ → (((⊥‘𝑦) ⊊ 𝐵 ∧ 𝐴 ⊊ (⊥‘𝑦)) → ∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵))) |
| 33 | 32 | adantl 481 | . . . . . . 7 ⊢ (((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) ∧ 𝑦 ∈ Cℋ ) → (((⊥‘𝑦) ⊊ 𝐵 ∧ 𝐴 ⊊ (⊥‘𝑦)) → ∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵))) |
| 34 | 24, 33 | sylbid 240 | . . . . . 6 ⊢ (((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) ∧ 𝑦 ∈ Cℋ ) → (((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴)) → ∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵))) |
| 35 | 34 | rexlimdva 3133 | . . . . 5 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴)) → ∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵))) |
| 36 | 18, 35 | impbid 212 | . . . 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 32269 | . 2 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (𝐴 ⋖ℋ 𝐵 ↔ (𝐴 ⊊ 𝐵 ∧ ¬ ∃𝑥 ∈ Cℋ (𝐴 ⊊ 𝑥 ∧ 𝑥 ⊊ 𝐵)))) | |
| 40 | choccl 31293 | . . 3 ⊢ (𝐵 ∈ Cℋ → (⊥‘𝐵) ∈ Cℋ ) | |
| 41 | choccl 31293 | . . 3 ⊢ (𝐴 ∈ Cℋ → (⊥‘𝐴) ∈ Cℋ ) | |
| 42 | cvbr 32269 | . . 3 ⊢ (((⊥‘𝐵) ∈ Cℋ ∧ (⊥‘𝐴) ∈ Cℋ ) → ((⊥‘𝐵) ⋖ℋ (⊥‘𝐴) ↔ ((⊥‘𝐵) ⊊ (⊥‘𝐴) ∧ ¬ ∃𝑦 ∈ Cℋ ((⊥‘𝐵) ⊊ 𝑦 ∧ 𝑦 ⊊ (⊥‘𝐴))))) | |
| 43 | 40, 41, 42 | syl2anr 597 | . 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 206 ∧ wa 395 = wceq 1541 ∈ wcel 2111 ∃wrex 3056 ⊊ wpss 3898 class class class wbr 5093 ‘cfv 6487 Cℋ cch 30916 ⊥cort 30917 ⋖ℋ ccv 30951 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-rep 5219 ax-sep 5236 ax-nul 5246 ax-pow 5305 ax-pr 5372 ax-un 7674 ax-inf2 9537 ax-cc 10332 ax-cnex 11068 ax-resscn 11069 ax-1cn 11070 ax-icn 11071 ax-addcl 11072 ax-addrcl 11073 ax-mulcl 11074 ax-mulrcl 11075 ax-mulcom 11076 ax-addass 11077 ax-mulass 11078 ax-distr 11079 ax-i2m1 11080 ax-1ne0 11081 ax-1rid 11082 ax-rnegex 11083 ax-rrecex 11084 ax-cnre 11085 ax-pre-lttri 11086 ax-pre-lttrn 11087 ax-pre-ltadd 11088 ax-pre-mulgt0 11089 ax-pre-sup 11090 ax-addf 11091 ax-mulf 11092 ax-hilex 30986 ax-hfvadd 30987 ax-hvcom 30988 ax-hvass 30989 ax-hv0cl 30990 ax-hvaddid 30991 ax-hfvmul 30992 ax-hvmulid 30993 ax-hvmulass 30994 ax-hvdistr1 30995 ax-hvdistr2 30996 ax-hvmul0 30997 ax-hfi 31066 ax-his1 31069 ax-his2 31070 ax-his3 31071 ax-his4 31072 ax-hcompl 31189 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-nel 3033 df-ral 3048 df-rex 3057 df-rmo 3346 df-reu 3347 df-rab 3396 df-v 3438 df-sbc 3737 df-csb 3846 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-pss 3917 df-nul 4283 df-if 4475 df-pw 4551 df-sn 4576 df-pr 4578 df-tp 4580 df-op 4582 df-uni 4859 df-int 4898 df-iun 4943 df-iin 4944 df-br 5094 df-opab 5156 df-mpt 5175 df-tr 5201 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-se 5573 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6254 df-ord 6315 df-on 6316 df-lim 6317 df-suc 6318 df-iota 6443 df-fun 6489 df-fn 6490 df-f 6491 df-f1 6492 df-fo 6493 df-f1o 6494 df-fv 6495 df-isom 6496 df-riota 7309 df-ov 7355 df-oprab 7356 df-mpo 7357 df-of 7616 df-om 7803 df-1st 7927 df-2nd 7928 df-supp 8097 df-frecs 8217 df-wrecs 8248 df-recs 8297 df-rdg 8335 df-1o 8391 df-2o 8392 df-oadd 8395 df-omul 8396 df-er 8628 df-map 8758 df-pm 8759 df-ixp 8828 df-en 8876 df-dom 8877 df-sdom 8878 df-fin 8879 df-fsupp 9252 df-fi 9301 df-sup 9332 df-inf 9333 df-oi 9402 df-card 9838 df-acn 9841 df-pnf 11154 df-mnf 11155 df-xr 11156 df-ltxr 11157 df-le 11158 df-sub 11352 df-neg 11353 df-div 11781 df-nn 12132 df-2 12194 df-3 12195 df-4 12196 df-5 12197 df-6 12198 df-7 12199 df-8 12200 df-9 12201 df-n0 12388 df-z 12475 df-dec 12595 df-uz 12739 df-q 12853 df-rp 12897 df-xneg 13017 df-xadd 13018 df-xmul 13019 df-ioo 13255 df-ico 13257 df-icc 13258 df-fz 13414 df-fzo 13561 df-fl 13702 df-seq 13915 df-exp 13975 df-hash 14244 df-cj 15012 df-re 15013 df-im 15014 df-sqrt 15148 df-abs 15149 df-clim 15401 df-rlim 15402 df-sum 15600 df-struct 17064 df-sets 17081 df-slot 17099 df-ndx 17111 df-base 17127 df-ress 17148 df-plusg 17180 df-mulr 17181 df-starv 17182 df-sca 17183 df-vsca 17184 df-ip 17185 df-tset 17186 df-ple 17187 df-ds 17189 df-unif 17190 df-hom 17191 df-cco 17192 df-rest 17332 df-topn 17333 df-0g 17351 df-gsum 17352 df-topgen 17353 df-pt 17354 df-prds 17357 df-xrs 17412 df-qtop 17417 df-imas 17418 df-xps 17420 df-mre 17494 df-mrc 17495 df-acs 17497 df-mgm 18554 df-sgrp 18633 df-mnd 18649 df-submnd 18698 df-mulg 18987 df-cntz 19235 df-cmn 19700 df-psmet 21289 df-xmet 21290 df-met 21291 df-bl 21292 df-mopn 21293 df-fbas 21294 df-fg 21295 df-cnfld 21298 df-top 22815 df-topon 22832 df-topsp 22854 df-bases 22867 df-cld 22940 df-ntr 22941 df-cls 22942 df-nei 23019 df-cn 23148 df-cnp 23149 df-lm 23150 df-haus 23236 df-tx 23483 df-hmeo 23676 df-fil 23767 df-fm 23859 df-flim 23860 df-flf 23861 df-xms 24241 df-ms 24242 df-tms 24243 df-cfil 25188 df-cau 25189 df-cmet 25190 df-grpo 30480 df-gid 30481 df-ginv 30482 df-gdiv 30483 df-ablo 30532 df-vc 30546 df-nv 30579 df-va 30582 df-ba 30583 df-sm 30584 df-0v 30585 df-vs 30586 df-nmcv 30587 df-ims 30588 df-dip 30688 df-ssp 30709 df-ph 30800 df-cbn 30850 df-hnorm 30955 df-hba 30956 df-hvsub 30958 df-hlim 30959 df-hcau 30960 df-sh 31194 df-ch 31208 df-oc 31239 df-ch0 31240 df-cv 32266 |
| This theorem is referenced by: cvdmd 32324 cvexchi 32356 |
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