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Mirrors > Home > MPE Home > Th. List > abssi | Structured version Visualization version Unicode version |
Description: Inference of abstraction subclass from implication. (Contributed by NM, 20-Jan-2006.) |
Ref | Expression |
---|---|
abssi.1 |
Ref | Expression |
---|---|
abssi |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | abssi.1 | . . 3 | |
2 | 1 | ss2abi 3674 | . 2 |
3 | abid2 2745 | . 2 | |
4 | 2, 3 | sseqtri 3637 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wcel 1990 cab 2608 wss 3574 |
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-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-in 3581 df-ss 3588 |
This theorem is referenced by: ssab2 3686 intab 4507 opabss 4714 relopabiALT 5246 exse2 7105 opiota 7229 tfrlem8 7480 fiprc 8039 fival 8318 hartogslem1 8447 tz9.12lem1 8650 rankuni 8726 scott0 8749 r0weon 8835 alephval3 8933 aceq3lem 8943 dfac5lem4 8949 dfac2 8953 cff 9070 cfsuc 9079 cff1 9080 cflim2 9085 cfss 9087 axdc3lem 9272 axdclem 9341 gruina 9640 nqpr 9836 infcvgaux1i 14589 4sqlem1 15652 sscpwex 16475 symgval 17799 cssval 20026 topnex 20800 islocfin 21320 hauspwpwf1 21791 itg2lcl 23494 2sqlem7 25149 isismt 25429 nmcexi 28885 dispcmp 29926 cnre2csqima 29957 mppspstlem 31468 scutf 31919 colinearex 32167 itg2addnclem 33461 itg2addnc 33464 eldiophb 37320 |
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