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| Mirrors > Home > HSE Home > Th. List > 5oalem1 | Structured version Visualization version GIF version | ||
| Description: Lemma for orthoarguesian law 5OA. (Contributed by NM, 1-Apr-2000.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| 5oalem1.1 | ⊢ 𝐴 ∈ Sℋ |
| 5oalem1.2 | ⊢ 𝐵 ∈ Sℋ |
| 5oalem1.3 | ⊢ 𝐶 ∈ Sℋ |
| 5oalem1.4 | ⊢ 𝑅 ∈ Sℋ |
| Ref | Expression |
|---|---|
| 5oalem1 | ⊢ ((((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝑣 = (𝑥 +ℎ 𝑦)) ∧ (𝑧 ∈ 𝐶 ∧ (𝑥 −ℎ 𝑧) ∈ 𝑅)) → 𝑣 ∈ (𝐵 +ℋ (𝐴 ∩ (𝐶 +ℋ 𝑅)))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simplll 775 | . . . 4 ⊢ ((((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝑣 = (𝑥 +ℎ 𝑦)) ∧ (𝑧 ∈ 𝐶 ∧ (𝑥 −ℎ 𝑧) ∈ 𝑅)) → 𝑥 ∈ 𝐴) | |
| 2 | 5oalem1.1 | . . . . . . . 8 ⊢ 𝐴 ∈ Sℋ | |
| 3 | 2 | sheli 31304 | . . . . . . 7 ⊢ (𝑥 ∈ 𝐴 → 𝑥 ∈ ℋ) |
| 4 | 3 | ad2antrr 727 | . . . . . 6 ⊢ (((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝑣 = (𝑥 +ℎ 𝑦)) → 𝑥 ∈ ℋ) |
| 5 | 5oalem1.3 | . . . . . . . 8 ⊢ 𝐶 ∈ Sℋ | |
| 6 | 5 | sheli 31304 | . . . . . . 7 ⊢ (𝑧 ∈ 𝐶 → 𝑧 ∈ ℋ) |
| 7 | 6 | adantr 480 | . . . . . 6 ⊢ ((𝑧 ∈ 𝐶 ∧ (𝑥 −ℎ 𝑧) ∈ 𝑅) → 𝑧 ∈ ℋ) |
| 8 | hvaddsub12 31128 | . . . . . . . 8 ⊢ ((𝑥 ∈ ℋ ∧ 𝑧 ∈ ℋ ∧ 𝑧 ∈ ℋ) → (𝑥 +ℎ (𝑧 −ℎ 𝑧)) = (𝑧 +ℎ (𝑥 −ℎ 𝑧))) | |
| 9 | 8 | 3anidm23 1424 | . . . . . . 7 ⊢ ((𝑥 ∈ ℋ ∧ 𝑧 ∈ ℋ) → (𝑥 +ℎ (𝑧 −ℎ 𝑧)) = (𝑧 +ℎ (𝑥 −ℎ 𝑧))) |
| 10 | hvsubid 31116 | . . . . . . . . 9 ⊢ (𝑧 ∈ ℋ → (𝑧 −ℎ 𝑧) = 0ℎ) | |
| 11 | 10 | oveq2d 7378 | . . . . . . . 8 ⊢ (𝑧 ∈ ℋ → (𝑥 +ℎ (𝑧 −ℎ 𝑧)) = (𝑥 +ℎ 0ℎ)) |
| 12 | ax-hvaddid 31094 | . . . . . . . 8 ⊢ (𝑥 ∈ ℋ → (𝑥 +ℎ 0ℎ) = 𝑥) | |
| 13 | 11, 12 | sylan9eqr 2794 | . . . . . . 7 ⊢ ((𝑥 ∈ ℋ ∧ 𝑧 ∈ ℋ) → (𝑥 +ℎ (𝑧 −ℎ 𝑧)) = 𝑥) |
| 14 | 9, 13 | eqtr3d 2774 | . . . . . 6 ⊢ ((𝑥 ∈ ℋ ∧ 𝑧 ∈ ℋ) → (𝑧 +ℎ (𝑥 −ℎ 𝑧)) = 𝑥) |
| 15 | 4, 7, 14 | syl2an 597 | . . . . 5 ⊢ ((((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝑣 = (𝑥 +ℎ 𝑦)) ∧ (𝑧 ∈ 𝐶 ∧ (𝑥 −ℎ 𝑧) ∈ 𝑅)) → (𝑧 +ℎ (𝑥 −ℎ 𝑧)) = 𝑥) |
| 16 | 5oalem1.4 | . . . . . . 7 ⊢ 𝑅 ∈ Sℋ | |
| 17 | 5, 16 | shsvai 31454 | . . . . . 6 ⊢ ((𝑧 ∈ 𝐶 ∧ (𝑥 −ℎ 𝑧) ∈ 𝑅) → (𝑧 +ℎ (𝑥 −ℎ 𝑧)) ∈ (𝐶 +ℋ 𝑅)) |
| 18 | 17 | adantl 481 | . . . . 5 ⊢ ((((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝑣 = (𝑥 +ℎ 𝑦)) ∧ (𝑧 ∈ 𝐶 ∧ (𝑥 −ℎ 𝑧) ∈ 𝑅)) → (𝑧 +ℎ (𝑥 −ℎ 𝑧)) ∈ (𝐶 +ℋ 𝑅)) |
| 19 | 15, 18 | eqeltrrd 2838 | . . . 4 ⊢ ((((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝑣 = (𝑥 +ℎ 𝑦)) ∧ (𝑧 ∈ 𝐶 ∧ (𝑥 −ℎ 𝑧) ∈ 𝑅)) → 𝑥 ∈ (𝐶 +ℋ 𝑅)) |
| 20 | 1, 19 | elind 4141 | . . 3 ⊢ ((((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝑣 = (𝑥 +ℎ 𝑦)) ∧ (𝑧 ∈ 𝐶 ∧ (𝑥 −ℎ 𝑧) ∈ 𝑅)) → 𝑥 ∈ (𝐴 ∩ (𝐶 +ℋ 𝑅))) |
| 21 | simpllr 776 | . . 3 ⊢ ((((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝑣 = (𝑥 +ℎ 𝑦)) ∧ (𝑧 ∈ 𝐶 ∧ (𝑥 −ℎ 𝑧) ∈ 𝑅)) → 𝑦 ∈ 𝐵) | |
| 22 | 5, 16 | shscli 31407 | . . . . . 6 ⊢ (𝐶 +ℋ 𝑅) ∈ Sℋ |
| 23 | 2, 22 | shincli 31452 | . . . . 5 ⊢ (𝐴 ∩ (𝐶 +ℋ 𝑅)) ∈ Sℋ |
| 24 | 5oalem1.2 | . . . . 5 ⊢ 𝐵 ∈ Sℋ | |
| 25 | 23, 24 | shsvai 31454 | . . . 4 ⊢ ((𝑥 ∈ (𝐴 ∩ (𝐶 +ℋ 𝑅)) ∧ 𝑦 ∈ 𝐵) → (𝑥 +ℎ 𝑦) ∈ ((𝐴 ∩ (𝐶 +ℋ 𝑅)) +ℋ 𝐵)) |
| 26 | 23, 24 | shscomi 31453 | . . . 4 ⊢ ((𝐴 ∩ (𝐶 +ℋ 𝑅)) +ℋ 𝐵) = (𝐵 +ℋ (𝐴 ∩ (𝐶 +ℋ 𝑅))) |
| 27 | 25, 26 | eleqtrdi 2847 | . . 3 ⊢ ((𝑥 ∈ (𝐴 ∩ (𝐶 +ℋ 𝑅)) ∧ 𝑦 ∈ 𝐵) → (𝑥 +ℎ 𝑦) ∈ (𝐵 +ℋ (𝐴 ∩ (𝐶 +ℋ 𝑅)))) |
| 28 | 20, 21, 27 | syl2anc 585 | . 2 ⊢ ((((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝑣 = (𝑥 +ℎ 𝑦)) ∧ (𝑧 ∈ 𝐶 ∧ (𝑥 −ℎ 𝑧) ∈ 𝑅)) → (𝑥 +ℎ 𝑦) ∈ (𝐵 +ℋ (𝐴 ∩ (𝐶 +ℋ 𝑅)))) |
| 29 | eleq1 2825 | . . 3 ⊢ (𝑣 = (𝑥 +ℎ 𝑦) → (𝑣 ∈ (𝐵 +ℋ (𝐴 ∩ (𝐶 +ℋ 𝑅))) ↔ (𝑥 +ℎ 𝑦) ∈ (𝐵 +ℋ (𝐴 ∩ (𝐶 +ℋ 𝑅))))) | |
| 30 | 29 | ad2antlr 728 | . 2 ⊢ ((((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝑣 = (𝑥 +ℎ 𝑦)) ∧ (𝑧 ∈ 𝐶 ∧ (𝑥 −ℎ 𝑧) ∈ 𝑅)) → (𝑣 ∈ (𝐵 +ℋ (𝐴 ∩ (𝐶 +ℋ 𝑅))) ↔ (𝑥 +ℎ 𝑦) ∈ (𝐵 +ℋ (𝐴 ∩ (𝐶 +ℋ 𝑅))))) |
| 31 | 28, 30 | mpbird 257 | 1 ⊢ ((((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝑣 = (𝑥 +ℎ 𝑦)) ∧ (𝑧 ∈ 𝐶 ∧ (𝑥 −ℎ 𝑧) ∈ 𝑅)) → 𝑣 ∈ (𝐵 +ℋ (𝐴 ∩ (𝐶 +ℋ 𝑅)))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ∩ cin 3889 (class class class)co 7362 ℋchba 31009 +ℎ cva 31010 0ℎc0v 31014 −ℎ cmv 31015 Sℋ csh 31018 +ℋ cph 31021 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5213 ax-sep 5232 ax-nul 5242 ax-pow 5304 ax-pr 5372 ax-un 7684 ax-resscn 11090 ax-1cn 11091 ax-icn 11092 ax-addcl 11093 ax-addrcl 11094 ax-mulcl 11095 ax-mulrcl 11096 ax-mulcom 11097 ax-addass 11098 ax-mulass 11099 ax-distr 11100 ax-i2m1 11101 ax-1ne0 11102 ax-1rid 11103 ax-rnegex 11104 ax-rrecex 11105 ax-cnre 11106 ax-pre-lttri 11107 ax-pre-lttrn 11108 ax-pre-ltadd 11109 ax-hilex 31089 ax-hfvadd 31090 ax-hvcom 31091 ax-hvass 31092 ax-hv0cl 31093 ax-hvaddid 31094 ax-hfvmul 31095 ax-hvmulid 31096 ax-hvdistr1 31098 ax-hvdistr2 31099 ax-hvmul0 31100 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5521 df-po 5534 df-so 5535 df-xp 5632 df-rel 5633 df-cnv 5634 df-co 5635 df-dm 5636 df-rn 5637 df-res 5638 df-ima 5639 df-iota 6450 df-fun 6496 df-fn 6497 df-f 6498 df-f1 6499 df-fo 6500 df-f1o 6501 df-fv 6502 df-riota 7319 df-ov 7365 df-oprab 7366 df-mpo 7367 df-er 8638 df-en 8889 df-dom 8890 df-sdom 8891 df-pnf 11176 df-mnf 11177 df-ltxr 11179 df-sub 11374 df-neg 11375 df-grpo 30583 df-ablo 30635 df-hvsub 31061 df-sh 31297 df-shs 31398 |
| This theorem is referenced by: 5oalem6 31749 |
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