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Mirrors > Home > MPE Home > Th. List > prssd | Structured version Visualization version Unicode version |
Description: Deduction version of prssi 4353: A pair of elements of a class is a subset of the class. (Contributed by Glauco Siliprandi, 17-Aug-2020.) |
Ref | Expression |
---|---|
prssd.1 | |
prssd.2 |
Ref | Expression |
---|---|
prssd |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | prssd.1 | . 2 | |
2 | prssd.2 | . 2 | |
3 | prssi 4353 | . 2 | |
4 | 1, 2, 3 | syl2anc 693 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wcel 1990 wss 3574 cpr 4179 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-v 3202 df-un 3579 df-in 3581 df-ss 3588 df-sn 4178 df-pr 4180 |
This theorem is referenced by: nehash2 13256 basprssdmsets 15925 dchrisum0re 25202 upgrex 25987 upgr1e 26008 uspgr1e 26136 eupth2lems 27098 pmtridf1o 29856 poimirlem9 33418 clsk1indlem4 38342 clsk1indlem1 38343 limsup10exlem 40004 meadjun 40679 |
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