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Mirrors > Home > MPE Home > Th. List > Mathboxes > paddss12 | Structured version Visualization version GIF version |
Description: Subset law for projective subspace sum. (unss12 4119 analog.) (Contributed by NM, 7-Mar-2012.) |
Ref | Expression |
---|---|
padd0.a | ⊢ 𝐴 = (Atoms‘𝐾) |
padd0.p | ⊢ + = (+𝑃‘𝐾) |
Ref | Expression |
---|---|
paddss12 | ⊢ ((𝐾 ∈ 𝐵 ∧ 𝑌 ⊆ 𝐴 ∧ 𝑊 ⊆ 𝐴) → ((𝑋 ⊆ 𝑌 ∧ 𝑍 ⊆ 𝑊) → (𝑋 + 𝑍) ⊆ (𝑌 + 𝑊))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl1 1189 | . . . . 5 ⊢ (((𝐾 ∈ 𝐵 ∧ 𝑌 ⊆ 𝐴 ∧ 𝑊 ⊆ 𝐴) ∧ (𝑋 ⊆ 𝑌 ∧ 𝑍 ⊆ 𝑊)) → 𝐾 ∈ 𝐵) | |
2 | simpl2 1190 | . . . . 5 ⊢ (((𝐾 ∈ 𝐵 ∧ 𝑌 ⊆ 𝐴 ∧ 𝑊 ⊆ 𝐴) ∧ (𝑋 ⊆ 𝑌 ∧ 𝑍 ⊆ 𝑊)) → 𝑌 ⊆ 𝐴) | |
3 | sstr 3931 | . . . . . . . 8 ⊢ ((𝑍 ⊆ 𝑊 ∧ 𝑊 ⊆ 𝐴) → 𝑍 ⊆ 𝐴) | |
4 | 3 | ancoms 458 | . . . . . . 7 ⊢ ((𝑊 ⊆ 𝐴 ∧ 𝑍 ⊆ 𝑊) → 𝑍 ⊆ 𝐴) |
5 | 4 | ad2ant2l 742 | . . . . . 6 ⊢ (((𝑌 ⊆ 𝐴 ∧ 𝑊 ⊆ 𝐴) ∧ (𝑋 ⊆ 𝑌 ∧ 𝑍 ⊆ 𝑊)) → 𝑍 ⊆ 𝐴) |
6 | 5 | 3adantl1 1164 | . . . . 5 ⊢ (((𝐾 ∈ 𝐵 ∧ 𝑌 ⊆ 𝐴 ∧ 𝑊 ⊆ 𝐴) ∧ (𝑋 ⊆ 𝑌 ∧ 𝑍 ⊆ 𝑊)) → 𝑍 ⊆ 𝐴) |
7 | 1, 2, 6 | 3jca 1126 | . . . 4 ⊢ (((𝐾 ∈ 𝐵 ∧ 𝑌 ⊆ 𝐴 ∧ 𝑊 ⊆ 𝐴) ∧ (𝑋 ⊆ 𝑌 ∧ 𝑍 ⊆ 𝑊)) → (𝐾 ∈ 𝐵 ∧ 𝑌 ⊆ 𝐴 ∧ 𝑍 ⊆ 𝐴)) |
8 | simprl 767 | . . . 4 ⊢ (((𝐾 ∈ 𝐵 ∧ 𝑌 ⊆ 𝐴 ∧ 𝑊 ⊆ 𝐴) ∧ (𝑋 ⊆ 𝑌 ∧ 𝑍 ⊆ 𝑊)) → 𝑋 ⊆ 𝑌) | |
9 | padd0.a | . . . . 5 ⊢ 𝐴 = (Atoms‘𝐾) | |
10 | padd0.p | . . . . 5 ⊢ + = (+𝑃‘𝐾) | |
11 | 9, 10 | paddss1 37857 | . . . 4 ⊢ ((𝐾 ∈ 𝐵 ∧ 𝑌 ⊆ 𝐴 ∧ 𝑍 ⊆ 𝐴) → (𝑋 ⊆ 𝑌 → (𝑋 + 𝑍) ⊆ (𝑌 + 𝑍))) |
12 | 7, 8, 11 | sylc 65 | . . 3 ⊢ (((𝐾 ∈ 𝐵 ∧ 𝑌 ⊆ 𝐴 ∧ 𝑊 ⊆ 𝐴) ∧ (𝑋 ⊆ 𝑌 ∧ 𝑍 ⊆ 𝑊)) → (𝑋 + 𝑍) ⊆ (𝑌 + 𝑍)) |
13 | 9, 10 | paddss2 37858 | . . . . . 6 ⊢ ((𝐾 ∈ 𝐵 ∧ 𝑊 ⊆ 𝐴 ∧ 𝑌 ⊆ 𝐴) → (𝑍 ⊆ 𝑊 → (𝑌 + 𝑍) ⊆ (𝑌 + 𝑊))) |
14 | 13 | 3com23 1124 | . . . . 5 ⊢ ((𝐾 ∈ 𝐵 ∧ 𝑌 ⊆ 𝐴 ∧ 𝑊 ⊆ 𝐴) → (𝑍 ⊆ 𝑊 → (𝑌 + 𝑍) ⊆ (𝑌 + 𝑊))) |
15 | 14 | imp 406 | . . . 4 ⊢ (((𝐾 ∈ 𝐵 ∧ 𝑌 ⊆ 𝐴 ∧ 𝑊 ⊆ 𝐴) ∧ 𝑍 ⊆ 𝑊) → (𝑌 + 𝑍) ⊆ (𝑌 + 𝑊)) |
16 | 15 | adantrl 712 | . . 3 ⊢ (((𝐾 ∈ 𝐵 ∧ 𝑌 ⊆ 𝐴 ∧ 𝑊 ⊆ 𝐴) ∧ (𝑋 ⊆ 𝑌 ∧ 𝑍 ⊆ 𝑊)) → (𝑌 + 𝑍) ⊆ (𝑌 + 𝑊)) |
17 | 12, 16 | sstrd 3933 | . 2 ⊢ (((𝐾 ∈ 𝐵 ∧ 𝑌 ⊆ 𝐴 ∧ 𝑊 ⊆ 𝐴) ∧ (𝑋 ⊆ 𝑌 ∧ 𝑍 ⊆ 𝑊)) → (𝑋 + 𝑍) ⊆ (𝑌 + 𝑊)) |
18 | 17 | ex 412 | 1 ⊢ ((𝐾 ∈ 𝐵 ∧ 𝑌 ⊆ 𝐴 ∧ 𝑊 ⊆ 𝐴) → ((𝑋 ⊆ 𝑌 ∧ 𝑍 ⊆ 𝑊) → (𝑋 + 𝑍) ⊆ (𝑌 + 𝑊))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1085 = wceq 1537 ∈ wcel 2101 ⊆ wss 3889 ‘cfv 6447 (class class class)co 7295 Atomscatm 37303 +𝑃cpadd 37835 |
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 2103 ax-9 2111 ax-10 2132 ax-11 2149 ax-12 2166 ax-ext 2704 ax-rep 5212 ax-sep 5226 ax-nul 5233 ax-pow 5291 ax-pr 5355 ax-un 7608 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3an 1087 df-tru 1540 df-fal 1550 df-ex 1778 df-nf 1782 df-sb 2063 df-mo 2535 df-eu 2564 df-clab 2711 df-cleq 2725 df-clel 2811 df-nfc 2884 df-ne 2939 df-ral 3060 df-rex 3069 df-reu 3223 df-rab 3224 df-v 3436 df-sbc 3719 df-csb 3835 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4260 df-if 4463 df-pw 4538 df-sn 4565 df-pr 4567 df-op 4571 df-uni 4842 df-iun 4929 df-br 5078 df-opab 5140 df-mpt 5161 df-id 5491 df-xp 5597 df-rel 5598 df-cnv 5599 df-co 5600 df-dm 5601 df-rn 5602 df-res 5603 df-ima 5604 df-iota 6399 df-fun 6449 df-fn 6450 df-f 6451 df-f1 6452 df-fo 6453 df-f1o 6454 df-fv 6455 df-ov 7298 df-oprab 7299 df-mpo 7300 df-1st 7851 df-2nd 7852 df-padd 37836 |
This theorem is referenced by: paddssw1 37883 paddunN 37967 pl42lem2N 38020 |
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