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Mirrors > Home > MPE Home > Th. List > Mathboxes > altxpsspw | Structured version Visualization version Unicode version |
Description: An inclusion rule for alternate Cartesian products. (Contributed by Scott Fenton, 24-Mar-2012.) |
Ref | Expression |
---|---|
altxpsspw |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elaltxp 32082 | . . 3 | |
2 | df-altop 32065 | . . . . . 6 | |
3 | snssi 4339 | . . . . . . . . 9 | |
4 | ssun3 3778 | . . . . . . . . 9 | |
5 | 3, 4 | syl 17 | . . . . . . . 8 |
6 | 5 | adantr 481 | . . . . . . 7 |
7 | elun1 3780 | . . . . . . . . 9 | |
8 | snssi 4339 | . . . . . . . . . 10 | |
9 | snex 4908 | . . . . . . . . . . . 12 | |
10 | 9 | elpw 4164 | . . . . . . . . . . 11 |
11 | elun2 3781 | . . . . . . . . . . 11 | |
12 | 10, 11 | sylbir 225 | . . . . . . . . . 10 |
13 | 8, 12 | syl 17 | . . . . . . . . 9 |
14 | 7, 13 | anim12i 590 | . . . . . . . 8 |
15 | vex 3203 | . . . . . . . . 9 | |
16 | 15, 9 | prss 4351 | . . . . . . . 8 |
17 | 14, 16 | sylib 208 | . . . . . . 7 |
18 | prex 4909 | . . . . . . . . 9 | |
19 | 18 | elpw 4164 | . . . . . . . 8 |
20 | snex 4908 | . . . . . . . . 9 | |
21 | prex 4909 | . . . . . . . . 9 | |
22 | 20, 21 | prsspw 4376 | . . . . . . . 8 |
23 | 19, 22 | bitri 264 | . . . . . . 7 |
24 | 6, 17, 23 | sylanbrc 698 | . . . . . 6 |
25 | 2, 24 | syl5eqel 2705 | . . . . 5 |
26 | eleq1a 2696 | . . . . 5 | |
27 | 25, 26 | syl 17 | . . . 4 |
28 | 27 | rexlimivv 3036 | . . 3 |
29 | 1, 28 | sylbi 207 | . 2 |
30 | 29 | ssriv 3607 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 wceq 1483 wcel 1990 wrex 2913 cun 3572 wss 3574 cpw 4158 csn 4177 cpr 4179 caltop 32063 caltxp 32064 |
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 ax-sep 4781 ax-nul 4789 ax-pr 4906 |
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-ral 2917 df-rex 2918 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-altop 32065 df-altxp 32066 |
This theorem is referenced by: altxpexg 32085 |
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