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Mirrors > Home > MPE Home > Th. List > prssd | Structured version Visualization version GIF version |
Description: Deduction version of prssi 4786: 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 4786 | . 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 2106 ⊆ wss 3913 {cpr 4593 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-ext 2702 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-tru 1544 df-ex 1782 df-sb 2068 df-clab 2709 df-cleq 2723 df-clel 2809 df-v 3448 df-un 3918 df-in 3920 df-ss 3930 df-sn 4592 df-pr 4594 |
This theorem is referenced by: fpr2g 7166 f1prex 7235 fveqf1o 7254 fr3nr 7711 en2eqpr 9952 en2eleq 9953 r0weon 9957 wuncval2 10692 nehash2 14385 1idssfct 16567 basprssdmsets 17107 mrcun 17516 joinval2 18284 meetval2 18298 0idnsgd 18987 pmtrprfv 19249 pmtrprfv3 19250 symggen 19266 pmtr3ncomlem1 19269 psgnunilem1 19289 lspprcl 20496 lsptpcl 20497 lspprss 20510 lspprid1 20515 lsppratlem2 20668 lsppratlem3 20669 lsppratlem4 20670 drngnidl 20758 drnglpir 20782 mdetralt 21994 topgele 22316 pptbas 22395 isconn2 22802 xpsdsval 23771 itgioo 25217 wilthlem2 26455 perfectlem2 26615 upgrex 28106 upgr1e 28127 uspgr1e 28255 eupth2lems 29245 s2f1 31871 pmtrcnel 32010 pmtrcnel2 32011 pmtridf1o 32013 cycpm2tr 32038 cyc3co2 32059 cyc3evpm 32069 cyc3genpmlem 32070 cyc3conja 32076 linds2eq 32241 poimirlem9 36160 clsk1indlem4 42438 clsk1indlem1 42439 mnuprssd 42671 mnuprdlem4 42677 limsup10exlem 44133 meadjun 44823 line2 46958 line2y 46961 lubprlem 47115 joindm3 47122 meetdm3 47124 toplatjoin 47147 toplatmeet 47148 |
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