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Mirrors > Home > HSE Home > Th. List > 3oalem3 | Structured version Visualization version GIF version |
Description: Lemma for 3OA (weak) orthoarguesian law. (Contributed by NM, 19-Oct-1999.) (New usage is discouraged.) |
Ref | Expression |
---|---|
3oalem1.1 | ⊢ 𝐵 ∈ Cℋ |
3oalem1.2 | ⊢ 𝐶 ∈ Cℋ |
3oalem1.3 | ⊢ 𝑅 ∈ Cℋ |
3oalem1.4 | ⊢ 𝑆 ∈ Cℋ |
Ref | Expression |
---|---|
3oalem3 | ⊢ ((𝐵 +ℋ 𝑅) ∩ (𝐶 +ℋ 𝑆)) ⊆ (𝐵 +ℋ (𝑅 ∩ (𝑆 +ℋ ((𝐵 +ℋ 𝐶) ∩ (𝑅 +ℋ 𝑆))))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3oalem1.1 | . . . . . . 7 ⊢ 𝐵 ∈ Cℋ | |
2 | 3oalem1.3 | . . . . . . 7 ⊢ 𝑅 ∈ Cℋ | |
3 | 1, 2 | chseli 31491 | . . . . . 6 ⊢ (𝑣 ∈ (𝐵 +ℋ 𝑅) ↔ ∃𝑥 ∈ 𝐵 ∃𝑦 ∈ 𝑅 𝑣 = (𝑥 +ℎ 𝑦)) |
4 | r2ex 3202 | . . . . . 6 ⊢ (∃𝑥 ∈ 𝐵 ∃𝑦 ∈ 𝑅 𝑣 = (𝑥 +ℎ 𝑦) ↔ ∃𝑥∃𝑦((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝑅) ∧ 𝑣 = (𝑥 +ℎ 𝑦))) | |
5 | 3, 4 | bitri 275 | . . . . 5 ⊢ (𝑣 ∈ (𝐵 +ℋ 𝑅) ↔ ∃𝑥∃𝑦((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝑅) ∧ 𝑣 = (𝑥 +ℎ 𝑦))) |
6 | 3oalem1.2 | . . . . . . 7 ⊢ 𝐶 ∈ Cℋ | |
7 | 3oalem1.4 | . . . . . . 7 ⊢ 𝑆 ∈ Cℋ | |
8 | 6, 7 | chseli 31491 | . . . . . 6 ⊢ (𝑣 ∈ (𝐶 +ℋ 𝑆) ↔ ∃𝑧 ∈ 𝐶 ∃𝑤 ∈ 𝑆 𝑣 = (𝑧 +ℎ 𝑤)) |
9 | r2ex 3202 | . . . . . 6 ⊢ (∃𝑧 ∈ 𝐶 ∃𝑤 ∈ 𝑆 𝑣 = (𝑧 +ℎ 𝑤) ↔ ∃𝑧∃𝑤((𝑧 ∈ 𝐶 ∧ 𝑤 ∈ 𝑆) ∧ 𝑣 = (𝑧 +ℎ 𝑤))) | |
10 | 8, 9 | bitri 275 | . . . . 5 ⊢ (𝑣 ∈ (𝐶 +ℋ 𝑆) ↔ ∃𝑧∃𝑤((𝑧 ∈ 𝐶 ∧ 𝑤 ∈ 𝑆) ∧ 𝑣 = (𝑧 +ℎ 𝑤))) |
11 | 5, 10 | anbi12i 627 | . . . 4 ⊢ ((𝑣 ∈ (𝐵 +ℋ 𝑅) ∧ 𝑣 ∈ (𝐶 +ℋ 𝑆)) ↔ (∃𝑥∃𝑦((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝑅) ∧ 𝑣 = (𝑥 +ℎ 𝑦)) ∧ ∃𝑧∃𝑤((𝑧 ∈ 𝐶 ∧ 𝑤 ∈ 𝑆) ∧ 𝑣 = (𝑧 +ℎ 𝑤)))) |
12 | elin 3992 | . . . 4 ⊢ (𝑣 ∈ ((𝐵 +ℋ 𝑅) ∩ (𝐶 +ℋ 𝑆)) ↔ (𝑣 ∈ (𝐵 +ℋ 𝑅) ∧ 𝑣 ∈ (𝐶 +ℋ 𝑆))) | |
13 | 4exdistrv 1956 | . . . 4 ⊢ (∃𝑥∃𝑧∃𝑦∃𝑤(((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝑅) ∧ 𝑣 = (𝑥 +ℎ 𝑦)) ∧ ((𝑧 ∈ 𝐶 ∧ 𝑤 ∈ 𝑆) ∧ 𝑣 = (𝑧 +ℎ 𝑤))) ↔ (∃𝑥∃𝑦((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝑅) ∧ 𝑣 = (𝑥 +ℎ 𝑦)) ∧ ∃𝑧∃𝑤((𝑧 ∈ 𝐶 ∧ 𝑤 ∈ 𝑆) ∧ 𝑣 = (𝑧 +ℎ 𝑤)))) | |
14 | 11, 12, 13 | 3bitr4i 303 | . . 3 ⊢ (𝑣 ∈ ((𝐵 +ℋ 𝑅) ∩ (𝐶 +ℋ 𝑆)) ↔ ∃𝑥∃𝑧∃𝑦∃𝑤(((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝑅) ∧ 𝑣 = (𝑥 +ℎ 𝑦)) ∧ ((𝑧 ∈ 𝐶 ∧ 𝑤 ∈ 𝑆) ∧ 𝑣 = (𝑧 +ℎ 𝑤)))) |
15 | 1, 6, 2, 7 | 3oalem2 31695 | . . . . 5 ⊢ ((((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝑅) ∧ 𝑣 = (𝑥 +ℎ 𝑦)) ∧ ((𝑧 ∈ 𝐶 ∧ 𝑤 ∈ 𝑆) ∧ 𝑣 = (𝑧 +ℎ 𝑤))) → 𝑣 ∈ (𝐵 +ℋ (𝑅 ∩ (𝑆 +ℋ ((𝐵 +ℋ 𝐶) ∩ (𝑅 +ℋ 𝑆)))))) |
16 | 15 | exlimivv 1931 | . . . 4 ⊢ (∃𝑦∃𝑤(((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝑅) ∧ 𝑣 = (𝑥 +ℎ 𝑦)) ∧ ((𝑧 ∈ 𝐶 ∧ 𝑤 ∈ 𝑆) ∧ 𝑣 = (𝑧 +ℎ 𝑤))) → 𝑣 ∈ (𝐵 +ℋ (𝑅 ∩ (𝑆 +ℋ ((𝐵 +ℋ 𝐶) ∩ (𝑅 +ℋ 𝑆)))))) |
17 | 16 | exlimivv 1931 | . . 3 ⊢ (∃𝑥∃𝑧∃𝑦∃𝑤(((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝑅) ∧ 𝑣 = (𝑥 +ℎ 𝑦)) ∧ ((𝑧 ∈ 𝐶 ∧ 𝑤 ∈ 𝑆) ∧ 𝑣 = (𝑧 +ℎ 𝑤))) → 𝑣 ∈ (𝐵 +ℋ (𝑅 ∩ (𝑆 +ℋ ((𝐵 +ℋ 𝐶) ∩ (𝑅 +ℋ 𝑆)))))) |
18 | 14, 17 | sylbi 217 | . 2 ⊢ (𝑣 ∈ ((𝐵 +ℋ 𝑅) ∩ (𝐶 +ℋ 𝑆)) → 𝑣 ∈ (𝐵 +ℋ (𝑅 ∩ (𝑆 +ℋ ((𝐵 +ℋ 𝐶) ∩ (𝑅 +ℋ 𝑆)))))) |
19 | 18 | ssriv 4012 | 1 ⊢ ((𝐵 +ℋ 𝑅) ∩ (𝐶 +ℋ 𝑆)) ⊆ (𝐵 +ℋ (𝑅 ∩ (𝑆 +ℋ ((𝐵 +ℋ 𝐶) ∩ (𝑅 +ℋ 𝑆))))) |
Colors of variables: wff setvar class |
Syntax hints: ∧ wa 395 = wceq 1537 ∃wex 1777 ∈ wcel 2108 ∃wrex 3076 ∩ cin 3975 ⊆ wss 3976 (class class class)co 7448 +ℎ cva 30952 Cℋ cch 30961 +ℋ cph 30963 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2158 ax-12 2178 ax-ext 2711 ax-rep 5303 ax-sep 5317 ax-nul 5324 ax-pow 5383 ax-pr 5447 ax-un 7770 ax-cnex 11240 ax-resscn 11241 ax-1cn 11242 ax-icn 11243 ax-addcl 11244 ax-addrcl 11245 ax-mulcl 11246 ax-mulrcl 11247 ax-mulcom 11248 ax-addass 11249 ax-mulass 11250 ax-distr 11251 ax-i2m1 11252 ax-1ne0 11253 ax-1rid 11254 ax-rnegex 11255 ax-rrecex 11256 ax-cnre 11257 ax-pre-lttri 11258 ax-pre-lttrn 11259 ax-pre-ltadd 11260 ax-hilex 31031 ax-hfvadd 31032 ax-hvcom 31033 ax-hvass 31034 ax-hv0cl 31035 ax-hvaddid 31036 ax-hfvmul 31037 ax-hvmulid 31038 ax-hvdistr1 31040 ax-hvdistr2 31041 ax-hvmul0 31042 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 847 df-3or 1088 df-3an 1089 df-tru 1540 df-fal 1550 df-ex 1778 df-nf 1782 df-sb 2065 df-mo 2543 df-eu 2572 df-clab 2718 df-cleq 2732 df-clel 2819 df-nfc 2895 df-ne 2947 df-nel 3053 df-ral 3068 df-rex 3077 df-reu 3389 df-rab 3444 df-v 3490 df-sbc 3805 df-csb 3922 df-dif 3979 df-un 3981 df-in 3983 df-ss 3993 df-pss 3996 df-nul 4353 df-if 4549 df-pw 4624 df-sn 4649 df-pr 4651 df-op 4655 df-uni 4932 df-int 4971 df-iun 5017 df-br 5167 df-opab 5229 df-mpt 5250 df-tr 5284 df-id 5593 df-eprel 5599 df-po 5607 df-so 5608 df-fr 5652 df-we 5654 df-xp 5706 df-rel 5707 df-cnv 5708 df-co 5709 df-dm 5710 df-rn 5711 df-res 5712 df-ima 5713 df-pred 6332 df-ord 6398 df-on 6399 df-lim 6400 df-suc 6401 df-iota 6525 df-fun 6575 df-fn 6576 df-f 6577 df-f1 6578 df-fo 6579 df-f1o 6580 df-fv 6581 df-riota 7404 df-ov 7451 df-oprab 7452 df-mpo 7453 df-om 7904 df-2nd 8031 df-frecs 8322 df-wrecs 8353 df-recs 8427 df-rdg 8466 df-er 8763 df-map 8886 df-en 9004 df-dom 9005 df-sdom 9006 df-pnf 11326 df-mnf 11327 df-ltxr 11329 df-sub 11522 df-neg 11523 df-nn 12294 df-grpo 30525 df-ablo 30577 df-hvsub 31003 df-hlim 31004 df-sh 31239 df-ch 31253 df-shs 31340 |
This theorem is referenced by: 3oai 31700 |
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