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| Description: A set dominates its subsets. Theorem 16 of [Suppes] p. 94. |
| Ref | Expression |
|---|---|
| ssdom2g |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssexg 2727 |
. . 3
| |
| 2 | 1 | expcom 374 |
. 2
|
| 3 | ssdomg 4415 |
. 2
| |
| 4 | 2, 3 | syli 54 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: undom 4445 pwuninel 4493 2pwuninel 4494 limenpsi 4512 php 4520 php2 4521 php3 4522 php3OLD 4523 onomeneq 4526 0sdom1dom 4532 brdom3 4818 brdom5 4819 brdom4 4820 imadomg 4823 cardsdomel 4870 xpnnen 7507 ruc 7557 infdif 7576 infdif2 7577 alephadd 7591 alephmul 7592 alephexp1 7593 alephsuc3 7594 alephexp2 7595 cctop 7656 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 964 ax-gen 965 ax-8 966 ax-9 967 ax-10 968 ax-11 969 ax-12 970 ax-13 971 ax-14 972 ax-17 973 ax-4 975 ax-5o 977 ax-6o 980 ax-9o 1125 ax-10o 1142 ax-16 1212 ax-11o 1220 ax-ext 1462 ax-rep 2699 ax-sep 2709 ax-pow 2749 ax-pr 2786 ax-un 2873 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 983 df-sb 1174 df-eu 1384 df-mo 1385 df-clab 1467 df-cleq 1472 df-clel 1475 df-ne 1590 df-rex 1653 df-v 1815 df-dif 2053 df-un 2054 df-in 2055 df-ss 2057 df-nul 2285 df-pw 2407 df-sn 2417 df-pr 2418 df-op 2421 df-uni 2509 df-br 2626 df-opab 2673 df-id 2842 df-xp 3191 df-rel 3192 df-cnv 3193 df-co 3194 df-dm 3195 df-rn 3196 df-res 3197 df-ima 3198 df-fun 3199 df-fn 3200 df-f 3201 df-f1 3202 df-fo 3203 df-f1o 3204 df-en 4375 df-dom 4376 |