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Mirrors > Home > MPE Home > Th. List > ssbri | Structured version Visualization version GIF version |
Description: Inference from a subclass relationship of binary relations. (Contributed by NM, 28-Mar-2007.) (Revised by Mario Carneiro, 8-Feb-2015.) |
Ref | Expression |
---|---|
ssbri.1 | ⊢ 𝐴 ⊆ 𝐵 |
Ref | Expression |
---|---|
ssbri | ⊢ (𝐶𝐴𝐷 → 𝐶𝐵𝐷) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssbri.1 | . . . 4 ⊢ 𝐴 ⊆ 𝐵 | |
2 | 1 | a1i 11 | . . 3 ⊢ (⊤ → 𝐴 ⊆ 𝐵) |
3 | 2 | ssbrd 4626 | . 2 ⊢ (⊤ → (𝐶𝐴𝐷 → 𝐶𝐵𝐷)) |
4 | 3 | trud 1484 | 1 ⊢ (𝐶𝐴𝐷 → 𝐶𝐵𝐷) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ⊤wtru 1476 ⊆ wss 3540 class class class wbr 4583 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-in 3547 df-ss 3554 df-br 4584 |
This theorem is referenced by: brel 5090 swoer 7659 swoord1 7660 swoord2 7661 ecopover 7738 ecopoverOLD 7739 endom 7868 brdom3 9231 brdom5 9232 brdom4 9233 fpwwe2lem13 9343 nqerf 9631 nqerrel 9633 isfull 16393 isfth 16397 fulloppc 16405 fthoppc 16406 fthsect 16408 fthinv 16409 fthmon 16410 fthepi 16411 ffthiso 16412 catcisolem 16579 psss 17037 efgrelex 17987 hlimadd 27434 hhsscms 27520 occllem 27546 nlelchi 28304 hmopidmchi 28394 fundmpss 30910 itg2gt0cn 32635 brresi 32683 |
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