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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 28648 | . . . . . 6 ⊢ (𝑣 ∈ (𝐵 +ℋ 𝑅) ↔ ∃𝑥 ∈ 𝐵 ∃𝑦 ∈ 𝑅 𝑣 = (𝑥 +ℎ 𝑦)) |
4 | r2ex 3199 | . . . . . 6 ⊢ (∃𝑥 ∈ 𝐵 ∃𝑦 ∈ 𝑅 𝑣 = (𝑥 +ℎ 𝑦) ↔ ∃𝑥∃𝑦((𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝑅) ∧ 𝑣 = (𝑥 +ℎ 𝑦))) | |
5 | 3, 4 | bitri 264 | . . . . 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 28648 | . . . . . 6 ⊢ (𝑣 ∈ (𝐶 +ℋ 𝑆) ↔ ∃𝑧 ∈ 𝐶 ∃𝑤 ∈ 𝑆 𝑣 = (𝑧 +ℎ 𝑤)) |
9 | r2ex 3199 | . . . . . 6 ⊢ (∃𝑧 ∈ 𝐶 ∃𝑤 ∈ 𝑆 𝑣 = (𝑧 +ℎ 𝑤) ↔ ∃𝑧∃𝑤((𝑧 ∈ 𝐶 ∧ 𝑤 ∈ 𝑆) ∧ 𝑣 = (𝑧 +ℎ 𝑤))) | |
10 | 8, 9 | bitri 264 | . . . . 5 ⊢ (𝑣 ∈ (𝐶 +ℋ 𝑆) ↔ ∃𝑧∃𝑤((𝑧 ∈ 𝐶 ∧ 𝑤 ∈ 𝑆) ∧ 𝑣 = (𝑧 +ℎ 𝑤))) |
11 | 5, 10 | anbi12i 735 | . . . 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 3939 | . . . 4 ⊢ (𝑣 ∈ ((𝐵 +ℋ 𝑅) ∩ (𝐶 +ℋ 𝑆)) ↔ (𝑣 ∈ (𝐵 +ℋ 𝑅) ∧ 𝑣 ∈ (𝐶 +ℋ 𝑆))) | |
13 | ee4anv 2329 | . . . 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 292 | . . 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 28852 | . . . . 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 2009 | . . . 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 2009 | . . 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 207 | . 2 ⊢ (𝑣 ∈ ((𝐵 +ℋ 𝑅) ∩ (𝐶 +ℋ 𝑆)) → 𝑣 ∈ (𝐵 +ℋ (𝑅 ∩ (𝑆 +ℋ ((𝐵 +ℋ 𝐶) ∩ (𝑅 +ℋ 𝑆)))))) |
19 | 18 | ssriv 3748 | 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 1632 ∃wex 1853 ∈ wcel 2139 ∃wrex 3051 ∩ cin 3714 ⊆ wss 3715 (class class class)co 6814 +ℎ cva 28107 Cℋ cch 28116 +ℋ cph 28118 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1871 ax-4 1886 ax-5 1988 ax-6 2054 ax-7 2090 ax-8 2141 ax-9 2148 ax-10 2168 ax-11 2183 ax-12 2196 ax-13 2391 ax-ext 2740 ax-rep 4923 ax-sep 4933 ax-nul 4941 ax-pow 4992 ax-pr 5055 ax-un 7115 ax-cnex 10204 ax-resscn 10205 ax-1cn 10206 ax-icn 10207 ax-addcl 10208 ax-addrcl 10209 ax-mulcl 10210 ax-mulrcl 10211 ax-mulcom 10212 ax-addass 10213 ax-mulass 10214 ax-distr 10215 ax-i2m1 10216 ax-1ne0 10217 ax-1rid 10218 ax-rnegex 10219 ax-rrecex 10220 ax-cnre 10221 ax-pre-lttri 10222 ax-pre-lttrn 10223 ax-pre-ltadd 10224 ax-hilex 28186 ax-hfvadd 28187 ax-hvcom 28188 ax-hvass 28189 ax-hv0cl 28190 ax-hvaddid 28191 ax-hfvmul 28192 ax-hvmulid 28193 ax-hvdistr1 28195 ax-hvdistr2 28196 ax-hvmul0 28197 |
This theorem depends on definitions: df-bi 197 df-or 384 df-an 385 df-3or 1073 df-3an 1074 df-tru 1635 df-ex 1854 df-nf 1859 df-sb 2047 df-eu 2611 df-mo 2612 df-clab 2747 df-cleq 2753 df-clel 2756 df-nfc 2891 df-ne 2933 df-nel 3036 df-ral 3055 df-rex 3056 df-reu 3057 df-rab 3059 df-v 3342 df-sbc 3577 df-csb 3675 df-dif 3718 df-un 3720 df-in 3722 df-ss 3729 df-pss 3731 df-nul 4059 df-if 4231 df-pw 4304 df-sn 4322 df-pr 4324 df-tp 4326 df-op 4328 df-uni 4589 df-int 4628 df-iun 4674 df-br 4805 df-opab 4865 df-mpt 4882 df-tr 4905 df-id 5174 df-eprel 5179 df-po 5187 df-so 5188 df-fr 5225 df-we 5227 df-xp 5272 df-rel 5273 df-cnv 5274 df-co 5275 df-dm 5276 df-rn 5277 df-res 5278 df-ima 5279 df-pred 5841 df-ord 5887 df-on 5888 df-lim 5889 df-suc 5890 df-iota 6012 df-fun 6051 df-fn 6052 df-f 6053 df-f1 6054 df-fo 6055 df-f1o 6056 df-fv 6057 df-riota 6775 df-ov 6817 df-oprab 6818 df-mpt2 6819 df-om 7232 df-wrecs 7577 df-recs 7638 df-rdg 7676 df-er 7913 df-map 8027 df-en 8124 df-dom 8125 df-sdom 8126 df-pnf 10288 df-mnf 10289 df-ltxr 10291 df-sub 10480 df-neg 10481 df-nn 11233 df-grpo 27677 df-ablo 27729 df-hvsub 28158 df-hlim 28159 df-sh 28394 df-ch 28408 df-shs 28497 |
This theorem is referenced by: 3oai 28857 |
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