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Mirrors > Home > MPE Home > Th. List > pmtrdifellem1 | Structured version Visualization version GIF version |
Description: Lemma 1 for pmtrdifel 19088. (Contributed by AV, 15-Jan-2019.) |
Ref | Expression |
---|---|
pmtrdifel.t | ⊢ 𝑇 = ran (pmTrsp‘(𝑁 ∖ {𝐾})) |
pmtrdifel.r | ⊢ 𝑅 = ran (pmTrsp‘𝑁) |
pmtrdifel.0 | ⊢ 𝑆 = ((pmTrsp‘𝑁)‘dom (𝑄 ∖ I )) |
Ref | Expression |
---|---|
pmtrdifellem1 | ⊢ (𝑄 ∈ 𝑇 → 𝑆 ∈ 𝑅) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2738 | . . 3 ⊢ (pmTrsp‘(𝑁 ∖ {𝐾})) = (pmTrsp‘(𝑁 ∖ {𝐾})) | |
2 | pmtrdifel.t | . . 3 ⊢ 𝑇 = ran (pmTrsp‘(𝑁 ∖ {𝐾})) | |
3 | 1, 2 | pmtrfb 19073 | . 2 ⊢ (𝑄 ∈ 𝑇 ↔ ((𝑁 ∖ {𝐾}) ∈ V ∧ 𝑄:(𝑁 ∖ {𝐾})–1-1-onto→(𝑁 ∖ {𝐾}) ∧ dom (𝑄 ∖ I ) ≈ 2o)) |
4 | difsnexi 7611 | . . 3 ⊢ ((𝑁 ∖ {𝐾}) ∈ V → 𝑁 ∈ V) | |
5 | f1of 6716 | . . . 4 ⊢ (𝑄:(𝑁 ∖ {𝐾})–1-1-onto→(𝑁 ∖ {𝐾}) → 𝑄:(𝑁 ∖ {𝐾})⟶(𝑁 ∖ {𝐾})) | |
6 | fdm 6609 | . . . 4 ⊢ (𝑄:(𝑁 ∖ {𝐾})⟶(𝑁 ∖ {𝐾}) → dom 𝑄 = (𝑁 ∖ {𝐾})) | |
7 | difssd 4067 | . . . . . 6 ⊢ (dom 𝑄 = (𝑁 ∖ {𝐾}) → (𝑄 ∖ I ) ⊆ 𝑄) | |
8 | dmss 5811 | . . . . . 6 ⊢ ((𝑄 ∖ I ) ⊆ 𝑄 → dom (𝑄 ∖ I ) ⊆ dom 𝑄) | |
9 | 7, 8 | syl 17 | . . . . 5 ⊢ (dom 𝑄 = (𝑁 ∖ {𝐾}) → dom (𝑄 ∖ I ) ⊆ dom 𝑄) |
10 | difssd 4067 | . . . . . 6 ⊢ (dom 𝑄 = (𝑁 ∖ {𝐾}) → (𝑁 ∖ {𝐾}) ⊆ 𝑁) | |
11 | sseq1 3946 | . . . . . 6 ⊢ (dom 𝑄 = (𝑁 ∖ {𝐾}) → (dom 𝑄 ⊆ 𝑁 ↔ (𝑁 ∖ {𝐾}) ⊆ 𝑁)) | |
12 | 10, 11 | mpbird 256 | . . . . 5 ⊢ (dom 𝑄 = (𝑁 ∖ {𝐾}) → dom 𝑄 ⊆ 𝑁) |
13 | 9, 12 | sstrd 3931 | . . . 4 ⊢ (dom 𝑄 = (𝑁 ∖ {𝐾}) → dom (𝑄 ∖ I ) ⊆ 𝑁) |
14 | 5, 6, 13 | 3syl 18 | . . 3 ⊢ (𝑄:(𝑁 ∖ {𝐾})–1-1-onto→(𝑁 ∖ {𝐾}) → dom (𝑄 ∖ I ) ⊆ 𝑁) |
15 | id 22 | . . 3 ⊢ (dom (𝑄 ∖ I ) ≈ 2o → dom (𝑄 ∖ I ) ≈ 2o) | |
16 | pmtrdifel.0 | . . . 4 ⊢ 𝑆 = ((pmTrsp‘𝑁)‘dom (𝑄 ∖ I )) | |
17 | eqid 2738 | . . . . 5 ⊢ (pmTrsp‘𝑁) = (pmTrsp‘𝑁) | |
18 | pmtrdifel.r | . . . . 5 ⊢ 𝑅 = ran (pmTrsp‘𝑁) | |
19 | 17, 18 | pmtrrn 19065 | . . . 4 ⊢ ((𝑁 ∈ V ∧ dom (𝑄 ∖ I ) ⊆ 𝑁 ∧ dom (𝑄 ∖ I ) ≈ 2o) → ((pmTrsp‘𝑁)‘dom (𝑄 ∖ I )) ∈ 𝑅) |
20 | 16, 19 | eqeltrid 2843 | . . 3 ⊢ ((𝑁 ∈ V ∧ dom (𝑄 ∖ I ) ⊆ 𝑁 ∧ dom (𝑄 ∖ I ) ≈ 2o) → 𝑆 ∈ 𝑅) |
21 | 4, 14, 15, 20 | syl3an 1159 | . 2 ⊢ (((𝑁 ∖ {𝐾}) ∈ V ∧ 𝑄:(𝑁 ∖ {𝐾})–1-1-onto→(𝑁 ∖ {𝐾}) ∧ dom (𝑄 ∖ I ) ≈ 2o) → 𝑆 ∈ 𝑅) |
22 | 3, 21 | sylbi 216 | 1 ⊢ (𝑄 ∈ 𝑇 → 𝑆 ∈ 𝑅) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1086 = wceq 1539 ∈ wcel 2106 Vcvv 3432 ∖ cdif 3884 ⊆ wss 3887 {csn 4561 class class class wbr 5074 I cid 5488 dom cdm 5589 ran crn 5590 ⟶wf 6429 –1-1-onto→wf1o 6432 ‘cfv 6433 2oc2o 8291 ≈ cen 8730 pmTrspcpmtr 19049 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-om 7713 df-1o 8297 df-2o 8298 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-pmtr 19050 |
This theorem is referenced by: pmtrdifellem3 19086 pmtrdifellem4 19087 pmtrdifel 19088 pmtrdifwrdellem1 19089 pmtrdifwrdellem2 19090 |
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