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Mirrors > Home > MPE Home > Th. List > ssintab | Structured version Visualization version Unicode version |
Description: Subclass of the intersection of a class abstraction. (Contributed by NM, 31-Jul-2006.) (Proof shortened by Andrew Salmon, 9-Jul-2011.) |
Ref | Expression |
---|---|
ssintab |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssint 4493 | . 2 | |
2 | sseq2 3627 | . . 3 | |
3 | 2 | ralab2 3371 | . 2 |
4 | 1, 3 | bitri 264 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wal 1481 cab 2608 wral 2912 wss 3574 cint 4475 |
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-ral 2917 df-v 3202 df-in 3581 df-ss 3588 df-int 4476 |
This theorem is referenced by: ssmin 4496 ssintrab 4500 intmin4 4506 dffi2 8329 rankval3b 8689 sstskm 9664 dfuzi 11468 cycsubg 17622 ssmclslem 31462 mptrcllem 37920 dfrcl2 37966 brtrclfv2 38019 |
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