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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 29163 | . . . . . 6 ⊢ (𝑣 ∈ (𝐵 +ℋ 𝑅) ↔ ∃𝑥 ∈ 𝐵 ∃𝑦 ∈ 𝑅 𝑣 = (𝑥 +ℎ 𝑦)) |
4 | r2ex 3300 | . . . . . 6 ⊢ (∃𝑥 ∈ 𝐵 ∃𝑦 ∈ 𝑅 𝑣 = (𝑥 +ℎ 𝑦) ↔ ∃𝑥∃𝑦((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝑅) ∧ 𝑣 = (𝑥 +ℎ 𝑦))) | |
5 | 3, 4 | bitri 276 | . . . . 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 29163 | . . . . . 6 ⊢ (𝑣 ∈ (𝐶 +ℋ 𝑆) ↔ ∃𝑧 ∈ 𝐶 ∃𝑤 ∈ 𝑆 𝑣 = (𝑧 +ℎ 𝑤)) |
9 | r2ex 3300 | . . . . . 6 ⊢ (∃𝑧 ∈ 𝐶 ∃𝑤 ∈ 𝑆 𝑣 = (𝑧 +ℎ 𝑤) ↔ ∃𝑧∃𝑤((𝑧 ∈ 𝐶 ∧ 𝑤 ∈ 𝑆) ∧ 𝑣 = (𝑧 +ℎ 𝑤))) | |
10 | 8, 9 | bitri 276 | . . . . 5 ⊢ (𝑣 ∈ (𝐶 +ℋ 𝑆) ↔ ∃𝑧∃𝑤((𝑧 ∈ 𝐶 ∧ 𝑤 ∈ 𝑆) ∧ 𝑣 = (𝑧 +ℎ 𝑤))) |
11 | 5, 10 | anbi12i 626 | . . . 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 4166 | . . . 4 ⊢ (𝑣 ∈ ((𝐵 +ℋ 𝑅) ∩ (𝐶 +ℋ 𝑆)) ↔ (𝑣 ∈ (𝐵 +ℋ 𝑅) ∧ 𝑣 ∈ (𝐶 +ℋ 𝑆))) | |
13 | 4exdistrv 1948 | . . . 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 304 | . . 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 29367 | . . . . 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 1924 | . . . 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 1924 | . . 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 218 | . 2 ⊢ (𝑣 ∈ ((𝐵 +ℋ 𝑅) ∩ (𝐶 +ℋ 𝑆)) → 𝑣 ∈ (𝐵 +ℋ (𝑅 ∩ (𝑆 +ℋ ((𝐵 +ℋ 𝐶) ∩ (𝑅 +ℋ 𝑆)))))) |
19 | 18 | ssriv 3968 | 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 396 = wceq 1528 ∃wex 1771 ∈ wcel 2105 ∃wrex 3136 ∩ cin 3932 ⊆ wss 3933 (class class class)co 7145 +ℎ cva 28624 Cℋ cch 28633 +ℋ cph 28635 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1787 ax-4 1801 ax-5 1902 ax-6 1961 ax-7 2006 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2151 ax-12 2167 ax-ext 2790 ax-rep 5181 ax-sep 5194 ax-nul 5201 ax-pow 5257 ax-pr 5320 ax-un 7450 ax-cnex 10581 ax-resscn 10582 ax-1cn 10583 ax-icn 10584 ax-addcl 10585 ax-addrcl 10586 ax-mulcl 10587 ax-mulrcl 10588 ax-mulcom 10589 ax-addass 10590 ax-mulass 10591 ax-distr 10592 ax-i2m1 10593 ax-1ne0 10594 ax-1rid 10595 ax-rnegex 10596 ax-rrecex 10597 ax-cnre 10598 ax-pre-lttri 10599 ax-pre-lttrn 10600 ax-pre-ltadd 10601 ax-hilex 28703 ax-hfvadd 28704 ax-hvcom 28705 ax-hvass 28706 ax-hv0cl 28707 ax-hvaddid 28708 ax-hfvmul 28709 ax-hvmulid 28710 ax-hvdistr1 28712 ax-hvdistr2 28713 ax-hvmul0 28714 |
This theorem depends on definitions: df-bi 208 df-an 397 df-or 842 df-3or 1080 df-3an 1081 df-tru 1531 df-ex 1772 df-nf 1776 df-sb 2061 df-mo 2615 df-eu 2647 df-clab 2797 df-cleq 2811 df-clel 2890 df-nfc 2960 df-ne 3014 df-nel 3121 df-ral 3140 df-rex 3141 df-reu 3142 df-rab 3144 df-v 3494 df-sbc 3770 df-csb 3881 df-dif 3936 df-un 3938 df-in 3940 df-ss 3949 df-pss 3951 df-nul 4289 df-if 4464 df-pw 4537 df-sn 4558 df-pr 4560 df-tp 4562 df-op 4564 df-uni 4831 df-int 4868 df-iun 4912 df-br 5058 df-opab 5120 df-mpt 5138 df-tr 5164 df-id 5453 df-eprel 5458 df-po 5467 df-so 5468 df-fr 5507 df-we 5509 df-xp 5554 df-rel 5555 df-cnv 5556 df-co 5557 df-dm 5558 df-rn 5559 df-res 5560 df-ima 5561 df-pred 6141 df-ord 6187 df-on 6188 df-lim 6189 df-suc 6190 df-iota 6307 df-fun 6350 df-fn 6351 df-f 6352 df-f1 6353 df-fo 6354 df-f1o 6355 df-fv 6356 df-riota 7103 df-ov 7148 df-oprab 7149 df-mpo 7150 df-om 7570 df-wrecs 7936 df-recs 7997 df-rdg 8035 df-er 8278 df-map 8397 df-en 8498 df-dom 8499 df-sdom 8500 df-pnf 10665 df-mnf 10666 df-ltxr 10668 df-sub 10860 df-neg 10861 df-nn 11627 df-grpo 28197 df-ablo 28249 df-hvsub 28675 df-hlim 28676 df-sh 28911 df-ch 28925 df-shs 29012 |
This theorem is referenced by: 3oai 29372 |
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