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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 27702 | . . . . . 6 ⊢ (𝑣 ∈ (𝐵 +ℋ 𝑅) ↔ ∃𝑥 ∈ 𝐵 ∃𝑦 ∈ 𝑅 𝑣 = (𝑥 +ℎ 𝑦)) |
4 | r2ex 3043 | . . . . . 6 ⊢ (∃𝑥 ∈ 𝐵 ∃𝑦 ∈ 𝑅 𝑣 = (𝑥 +ℎ 𝑦) ↔ ∃𝑥∃𝑦((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝑅) ∧ 𝑣 = (𝑥 +ℎ 𝑦))) | |
5 | 3, 4 | bitri 263 | . . . . 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 27702 | . . . . . 6 ⊢ (𝑣 ∈ (𝐶 +ℋ 𝑆) ↔ ∃𝑧 ∈ 𝐶 ∃𝑤 ∈ 𝑆 𝑣 = (𝑧 +ℎ 𝑤)) |
9 | r2ex 3043 | . . . . . 6 ⊢ (∃𝑧 ∈ 𝐶 ∃𝑤 ∈ 𝑆 𝑣 = (𝑧 +ℎ 𝑤) ↔ ∃𝑧∃𝑤((𝑧 ∈ 𝐶 ∧ 𝑤 ∈ 𝑆) ∧ 𝑣 = (𝑧 +ℎ 𝑤))) | |
10 | 8, 9 | bitri 263 | . . . . 5 ⊢ (𝑣 ∈ (𝐶 +ℋ 𝑆) ↔ ∃𝑧∃𝑤((𝑧 ∈ 𝐶 ∧ 𝑤 ∈ 𝑆) ∧ 𝑣 = (𝑧 +ℎ 𝑤))) |
11 | 5, 10 | anbi12i 729 | . . . 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 3758 | . . . 4 ⊢ (𝑣 ∈ ((𝐵 +ℋ 𝑅) ∩ (𝐶 +ℋ 𝑆)) ↔ (𝑣 ∈ (𝐵 +ℋ 𝑅) ∧ 𝑣 ∈ (𝐶 +ℋ 𝑆))) | |
13 | ee4anv 2172 | . . . 4 ⊢ (∃𝑥∃𝑦∃𝑧∃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 291 | . . 3 ⊢ (𝑣 ∈ ((𝐵 +ℋ 𝑅) ∩ (𝐶 +ℋ 𝑆)) ↔ ∃𝑥∃𝑦∃𝑧∃𝑤(((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝑅) ∧ 𝑣 = (𝑥 +ℎ 𝑦)) ∧ ((𝑧 ∈ 𝐶 ∧ 𝑤 ∈ 𝑆) ∧ 𝑣 = (𝑧 +ℎ 𝑤)))) |
15 | 1, 6, 2, 7 | 3oalem2 27906 | . . . . 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 1847 | . . . 4 ⊢ (∃𝑧∃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 1847 | . . 3 ⊢ (∃𝑥∃𝑦∃𝑧∃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 206 | . 2 ⊢ (𝑣 ∈ ((𝐵 +ℋ 𝑅) ∩ (𝐶 +ℋ 𝑆)) → 𝑣 ∈ (𝐵 +ℋ (𝑅 ∩ (𝑆 +ℋ ((𝐵 +ℋ 𝐶) ∩ (𝑅 +ℋ 𝑆)))))) |
19 | 18 | ssriv 3572 | 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 383 = wceq 1475 ∃wex 1695 ∈ wcel 1977 ∃wrex 2897 ∩ cin 3539 ⊆ wss 3540 (class class class)co 6549 +ℎ cva 27161 Cℋ cch 27170 +ℋ cph 27172 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-hilex 27240 ax-hfvadd 27241 ax-hvcom 27242 ax-hvass 27243 ax-hv0cl 27244 ax-hvaddid 27245 ax-hfvmul 27246 ax-hvmulid 27247 ax-hvdistr1 27249 ax-hvdistr2 27250 ax-hvmul0 27251 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-int 4411 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-er 7629 df-map 7746 df-en 7842 df-dom 7843 df-sdom 7844 df-pnf 9955 df-mnf 9956 df-ltxr 9958 df-sub 10147 df-neg 10148 df-nn 10898 df-grpo 26731 df-ablo 26783 df-hvsub 27212 df-hlim 27213 df-sh 27448 df-ch 27462 df-shs 27551 |
This theorem is referenced by: 3oai 27911 |
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