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| Mirrors > Home > MPE Home > Th. List > prssd | Structured version Visualization version GIF version | ||
| Description: Deduction version of prssi 4791: 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 4791 | . 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 2149 ⊆ wss 3913 {cpr 4596 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-tru 1570 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-v 3465 df-un 3918 df-ss 3930 df-sn 4595 df-pr 4597 |
| This theorem is referenced by: fpr2g 7210 f1prex 7283 fveqf1o 7301 fr3nr 7771 en2eqpr 9991 en2eleq 9992 r0weon 9996 wuncval2 10732 nehash2 14511 1idssfct 16738 basprssdmsets 17281 mrcun 17678 joinval2 18435 meetval2 18449 0idnsgd 19237 pmtrprfv 19523 pmtrprfv3 19524 symggen 19540 pmtr3ncomlem1 19543 psgnunilem1 19563 lspprcl 21077 lsptpcl 21078 lspprss 21091 lspprid1 21096 lsppratlem2 21250 lsppratlem3 21251 lsppratlem4 21252 drngnidl 21351 drnglpir 21469 mdetralt 22734 topgele 23056 pptbas 23134 isconn2 23540 xpsdsval 24507 itgioo 25944 wilthlem2 27199 perfectlem2 27360 upgrex 29383 upgr1e 29404 uspgr1e 29535 eupth2lems 30530 s2f1 33206 pmtrcnel 33350 pmtrcnel2 33351 fzo0pmtrlast 33353 pmtridf1o 33355 cycpm2tr 33380 cyc3co2 33401 cyc3evpm 33411 cyc3genpmlem 33412 cyc3conja 33418 elrgspnsubrunlem1 33508 gsumind 33608 linds2eq 33638 drngmxidlr 33705 mplmulmvr 33874 esplylem 33901 esplympl 33902 esplyfv1 33904 esplyfval3 33907 esplyfvaln 33909 esplyind 33910 constrllcllem 34087 constrlccllem 34088 poimirlem9 38202 clsk1indlem4 44696 clsk1indlem1 44697 mnuprssd 44905 mnuprdlem4 44911 limsup10exlem 46412 meadjun 47102 clnbgrgrimlem 48621 stgredgiun 48646 stgrnbgr0 48652 grlimprclnbgrvtx 48687 grlimgrtrilem1 48689 gpgiedgdmellem 48734 gpgprismgriedgdmss 48740 line2 49451 line2y 49454 lubprlem 49659 joindm3 49666 meetdm3 49668 toplatjoin 49699 toplatmeet 49700 |
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