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| Mirrors > Home > MPE Home > Th. List > prssd | Structured version Visualization version GIF version | ||
| Description: Deduction version of prssi 4777: A pair of elements of a class is a subset of the class. (Contributed by Glauco Siliprandi, 17-Aug-2020.) |
| Ref | Expression |
|---|---|
| prssd.1 | ⊢ (𝜑 → 𝐴 ∈ 𝐶) |
| prssd.2 | ⊢ (𝜑 → 𝐵 ∈ 𝐶) |
| Ref | Expression |
|---|---|
| prssd | ⊢ (𝜑 → {𝐴, 𝐵} ⊆ 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | prssd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝐶) | |
| 2 | prssd.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ 𝐶) | |
| 3 | prssi 4777 | . 2 ⊢ ((𝐴 ∈ 𝐶 ∧ 𝐵 ∈ 𝐶) → {𝐴, 𝐵} ⊆ 𝐶) | |
| 4 | 1, 2, 3 | syl2anc 584 | 1 ⊢ (𝜑 → {𝐴, 𝐵} ⊆ 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2113 ⊆ wss 3901 {cpr 4582 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-tru 1544 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-v 3442 df-un 3906 df-ss 3918 df-sn 4581 df-pr 4583 |
| This theorem is referenced by: fpr2g 7157 f1prex 7230 fveqf1o 7248 fr3nr 7717 en2eqpr 9917 en2eleq 9918 r0weon 9922 wuncval2 10658 nehash2 14397 1idssfct 16607 basprssdmsets 17148 mrcun 17545 joinval2 18302 meetval2 18316 0idnsgd 19100 pmtrprfv 19382 pmtrprfv3 19383 symggen 19399 pmtr3ncomlem1 19402 psgnunilem1 19422 lspprcl 20929 lsptpcl 20930 lspprss 20943 lspprid1 20948 lsppratlem2 21103 lsppratlem3 21104 lsppratlem4 21105 drngnidl 21198 drnglpir 21287 mdetralt 22552 topgele 22874 pptbas 22952 isconn2 23358 xpsdsval 24325 itgioo 25773 wilthlem2 27035 perfectlem2 27197 upgrex 29165 upgr1e 29186 uspgr1e 29317 eupth2lems 30313 s2f1 33027 pmtrcnel 33171 pmtrcnel2 33172 fzo0pmtrlast 33174 pmtridf1o 33176 cycpm2tr 33201 cyc3co2 33222 cyc3evpm 33232 cyc3genpmlem 33233 cyc3conja 33239 elrgspnsubrunlem1 33329 gsumind 33426 linds2eq 33462 drngmxidlr 33559 mplmulmvr 33704 esplylem 33724 esplympl 33725 esplyfv1 33727 esplyfval3 33730 esplyind 33731 constrllcllem 33909 constrlccllem 33910 poimirlem9 37830 clsk1indlem4 44295 clsk1indlem1 44296 mnuprssd 44520 mnuprdlem4 44526 limsup10exlem 46026 meadjun 46716 clnbgrgrimlem 48189 stgredgiun 48214 stgrnbgr0 48220 grlimprclnbgrvtx 48255 grlimgrtrilem1 48257 gpgiedgdmellem 48302 gpgprismgriedgdmss 48308 line2 49008 line2y 49011 lubprlem 49217 joindm3 49224 meetdm3 49226 toplatjoin 49257 toplatmeet 49258 |
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