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Mirrors > Home > ILE Home > Th. List > nndomo | Unicode version |
Description: Cardinal ordering agrees with natural number ordering. Example 3 of [Enderton] p. 146. (Contributed by NM, 17-Jun-1998.) |
Ref | Expression |
---|---|
nndomo |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | php5dom 6757 | . . . . . . . 8 | |
2 | 1 | ad2antlr 480 | . . . . . . 7 |
3 | domtr 6679 | . . . . . . . . 9 | |
4 | 3 | expcom 115 | . . . . . . . 8 |
5 | 4 | adantl 275 | . . . . . . 7 |
6 | 2, 5 | mtod 652 | . . . . . 6 |
7 | ssdomg 6672 | . . . . . . 7 | |
8 | 7 | ad2antrr 479 | . . . . . 6 |
9 | 6, 8 | mtod 652 | . . . . 5 |
10 | nnord 4525 | . . . . . . 7 | |
11 | ordsucss 4420 | . . . . . . 7 | |
12 | 10, 11 | syl 14 | . . . . . 6 |
13 | 12 | ad2antrr 479 | . . . . 5 |
14 | 9, 13 | mtod 652 | . . . 4 |
15 | nntri1 6392 | . . . . 5 | |
16 | 15 | adantr 274 | . . . 4 |
17 | 14, 16 | mpbird 166 | . . 3 |
18 | 17 | ex 114 | . 2 |
19 | ssdomg 6672 | . . 3 | |
20 | 19 | adantl 275 | . 2 |
21 | 18, 20 | impbid 128 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 103 wb 104 wcel 1480 wss 3071 class class class wbr 3929 word 4284 csuc 4287 com 4504 cdom 6633 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-sep 4046 ax-nul 4054 ax-pow 4098 ax-pr 4131 ax-un 4355 ax-setind 4452 ax-iinf 4502 |
This theorem depends on definitions: df-bi 116 df-dc 820 df-3or 963 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ne 2309 df-ral 2421 df-rex 2422 df-rab 2425 df-v 2688 df-sbc 2910 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-nul 3364 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-int 3772 df-br 3930 df-opab 3990 df-tr 4027 df-id 4215 df-iord 4288 df-on 4290 df-suc 4293 df-iom 4505 df-xp 4545 df-rel 4546 df-cnv 4547 df-co 4548 df-dm 4549 df-rn 4550 df-res 4551 df-ima 4552 df-iota 5088 df-fun 5125 df-fn 5126 df-f 5127 df-f1 5128 df-fo 5129 df-f1o 5130 df-fv 5131 df-er 6429 df-en 6635 df-dom 6636 |
This theorem is referenced by: fisbth 6777 fientri3 6803 hashennnuni 10525 fihashdom 10549 pwf1oexmid 13194 |
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