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| Mirrors > Home > MPE Home > Th. List > prssd | Structured version Visualization version GIF version | ||
| Description: Deduction version of prssi 4775: 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 4775 | . 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 3899 {cpr 4580 |
| 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 2706 |
| 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 2713 df-cleq 2726 df-clel 2809 df-v 3440 df-un 3904 df-ss 3916 df-sn 4579 df-pr 4581 |
| This theorem is referenced by: fpr2g 7155 f1prex 7228 fveqf1o 7246 fr3nr 7715 en2eqpr 9915 en2eleq 9916 r0weon 9920 wuncval2 10656 nehash2 14395 1idssfct 16605 basprssdmsets 17146 mrcun 17543 joinval2 18300 meetval2 18314 0idnsgd 19098 pmtrprfv 19380 pmtrprfv3 19381 symggen 19397 pmtr3ncomlem1 19400 psgnunilem1 19420 lspprcl 20927 lsptpcl 20928 lspprss 20941 lspprid1 20946 lsppratlem2 21101 lsppratlem3 21102 lsppratlem4 21103 drngnidl 21196 drnglpir 21285 mdetralt 22550 topgele 22872 pptbas 22950 isconn2 23356 xpsdsval 24323 itgioo 25771 wilthlem2 27033 perfectlem2 27195 upgrex 29114 upgr1e 29135 uspgr1e 29266 eupth2lems 30262 s2f1 32976 pmtrcnel 33120 pmtrcnel2 33121 fzo0pmtrlast 33123 pmtridf1o 33125 cycpm2tr 33150 cyc3co2 33171 cyc3evpm 33181 cyc3genpmlem 33182 cyc3conja 33188 elrgspnsubrunlem1 33278 gsumind 33375 linds2eq 33411 drngmxidlr 33508 mplmulmvr 33653 esplylem 33673 esplympl 33674 esplyfv1 33676 esplyfval3 33679 esplyind 33680 constrllcllem 33858 constrlccllem 33859 poimirlem9 37769 clsk1indlem4 44227 clsk1indlem1 44228 mnuprssd 44452 mnuprdlem4 44458 limsup10exlem 45958 meadjun 46648 clnbgrgrimlem 48121 stgredgiun 48146 stgrnbgr0 48152 grlimprclnbgrvtx 48187 grlimgrtrilem1 48189 gpgiedgdmellem 48234 gpgprismgriedgdmss 48240 line2 48940 line2y 48943 lubprlem 49149 joindm3 49156 meetdm3 49158 toplatjoin 49189 toplatmeet 49190 |
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