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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 584 | 1 ⊢ (𝜑 → {𝐴, 𝐵} ⊆ 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2109 ⊆ wss 3916 {cpr 4593 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-ext 2702 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-tru 1543 df-ex 1780 df-sb 2066 df-clab 2709 df-cleq 2722 df-clel 2804 df-v 3452 df-un 3921 df-ss 3933 df-sn 4592 df-pr 4594 |
| This theorem is referenced by: fpr2g 7187 f1prex 7261 fveqf1o 7279 fr3nr 7750 en2eqpr 9966 en2eleq 9967 r0weon 9971 wuncval2 10706 nehash2 14445 1idssfct 16656 basprssdmsets 17197 mrcun 17589 joinval2 18346 meetval2 18360 0idnsgd 19109 pmtrprfv 19389 pmtrprfv3 19390 symggen 19406 pmtr3ncomlem1 19409 psgnunilem1 19429 lspprcl 20890 lsptpcl 20891 lspprss 20904 lspprid1 20909 lsppratlem2 21064 lsppratlem3 21065 lsppratlem4 21066 drngnidl 21159 drnglpir 21248 mdetralt 22501 topgele 22823 pptbas 22901 isconn2 23307 xpsdsval 24275 itgioo 25723 wilthlem2 26985 perfectlem2 27147 upgrex 29025 upgr1e 29046 uspgr1e 29177 eupth2lems 30173 s2f1 32872 pmtrcnel 33052 pmtrcnel2 33053 fzo0pmtrlast 33055 pmtridf1o 33057 cycpm2tr 33082 cyc3co2 33103 cyc3evpm 33113 cyc3genpmlem 33114 cyc3conja 33120 elrgspnsubrunlem1 33204 linds2eq 33358 drngmxidlr 33455 constrllcllem 33748 constrlccllem 33749 poimirlem9 37618 clsk1indlem4 44026 clsk1indlem1 44027 mnuprssd 44251 mnuprdlem4 44257 limsup10exlem 45763 meadjun 46453 clnbgrgrimlem 47923 stgredgiun 47947 stgrnbgr0 47953 grlimgrtrilem1 47983 gpgiedgdmellem 48027 gpgprismgriedgdmss 48033 line2 48731 line2y 48734 lubprlem 48940 joindm3 48947 meetdm3 48949 toplatjoin 48980 toplatmeet 48981 |
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