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| Mirrors > Home > MPE Home > Th. List > prssd | Structured version Visualization version GIF version | ||
| Description: Deduction version of prssi 4787: 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 4787 | . 2 ⊢ ((𝐴 ∈ 𝐶 ∧ 𝐵 ∈ 𝐶) → {𝐴, 𝐵} ⊆ 𝐶) | |
| 4 | 1, 2, 3 | syl2anc 595 | 1 ⊢ (𝜑 → {𝐴, 𝐵} ⊆ 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2143 ⊆ wss 3905 {cpr 4591 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-tru 1573 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-v 3457 df-un 3910 df-ss 3922 df-sn 4590 df-pr 4592 |
| This theorem is referenced by: fpr2g 7209 f1prex 7282 fveqf1o 7300 fr3nr 7767 en2eqpr 9987 en2eleq 9988 r0weon 9992 wuncval2 10727 nehash2 14507 1idssfct 16733 basprssdmsets 17276 mrcun 17673 joinval2 18430 meetval2 18444 0idnsgd 19232 pmtrprfv 19518 pmtrprfv3 19519 symggen 19535 pmtr3ncomlem1 19538 psgnunilem1 19558 lspprcl 21099 lsptpcl 21100 lspprss 21113 lspprid1 21118 lsppratlem2 21272 lsppratlem3 21273 lsppratlem4 21274 drngnidl 21377 drnglpir 21500 mdetralt 22765 topgele 23087 pptbas 23165 isconn2 23571 xpsdsval 24538 itgioo 25975 wilthlem2 27233 perfectlem2 27394 upgrex 29442 upgr1e 29463 uspgr1e 29594 eupth2lems 30589 s2f1 33265 pmtrcnel 33409 pmtrcnel2 33410 fzo0pmtrlast 33412 pmtridf1o 33414 cycpm2tr 33439 cyc3co2 33460 cyc3evpm 33470 cyc3genpmlem 33471 cyc3conja 33477 elrgspnsubrunlem1 33567 gsumind 33665 linds2eq 33694 drngmxidlr 33760 mplmulmvr 33929 esplylem 33956 esplympl 33957 esplyfv1 33959 esplyfval3 33962 esplyfvaln 33964 esplyind 33965 constrllcllem 34142 constrlccllem 34143 poimirlem9 38300 clsk1indlem4 44790 clsk1indlem1 44791 mnuprssd 44999 mnuprdlem4 45005 limsup10exlem 46506 meadjun 47196 clnbgrgrimlem 48718 stgredgiun 48743 stgrnbgr0 48749 grlimprclnbgrvtx 48784 grlimgrtrilem1 48786 gpgiedgdmellem 48831 gpgprismgriedgdmss 48837 line2 49552 line2y 49555 lubprlem 49760 joindm3 49767 meetdm3 49769 toplatjoin 49800 toplatmeet 49801 |
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