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Mirrors > Home > MPE Home > Th. List > ex-pw | Structured version Visualization version Unicode version |
Description: Example for df-pw 4160. Example by David A. Wheeler. (Contributed by Mario Carneiro, 2-Jul-2016.) |
Ref | Expression |
---|---|
ex-pw |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pweq 4161 | . 2 | |
2 | qdass 4288 | . . . 4 | |
3 | qdassr 4289 | . . . 4 | |
4 | 2, 3 | uneq12i 3765 | . . 3 |
5 | pwtp 4431 | . . 3 | |
6 | df-tp 4182 | . . . . . . . 8 | |
7 | 6 | uneq2i 3764 | . . . . . . 7 |
8 | unass 3770 | . . . . . . 7 | |
9 | 7, 8 | eqtr4i 2647 | . . . . . 6 |
10 | tpass 4287 | . . . . . . 7 | |
11 | 10 | uneq1i 3763 | . . . . . 6 |
12 | 9, 11 | eqtr4i 2647 | . . . . 5 |
13 | unass 3770 | . . . . . 6 | |
14 | tpass 4287 | . . . . . . 7 | |
15 | 14 | uneq1i 3763 | . . . . . 6 |
16 | df-tp 4182 | . . . . . . 7 | |
17 | 16 | uneq2i 3764 | . . . . . 6 |
18 | 13, 15, 17 | 3eqtr4i 2654 | . . . . 5 |
19 | 12, 18 | uneq12i 3765 | . . . 4 |
20 | un4 3773 | . . . 4 | |
21 | 19, 20 | eqtr4i 2647 | . . 3 |
22 | 4, 5, 21 | 3eqtr4i 2654 | . 2 |
23 | 1, 22 | syl6eq 2672 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wceq 1483 cun 3572 c0 3915 cpw 4158 csn 4177 cpr 4179 ctp 4181 c3 11071 c5 11073 c7 11075 |
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-3or 1038 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-ral 2917 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 |
This theorem is referenced by: (None) |
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