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Mirrors > Home > MPE Home > Th. List > mpidan | Structured version Visualization version GIF version |
Description: A deduction which "stacks" a hypothesis. (Contributed by Stanislas Polu, 9-Mar-2020.) (Proof shortened by Wolf Lammen, 28-Mar-2021.) |
Ref | Expression |
---|---|
mpidan.1 | ⊢ (𝜑 → 𝜒) |
mpidan.2 | ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) |
Ref | Expression |
---|---|
mpidan | ⊢ ((𝜑 ∧ 𝜓) → 𝜃) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mpidan.1 | . . 3 ⊢ (𝜑 → 𝜒) | |
2 | 1 | adantr 484 | . 2 ⊢ ((𝜑 ∧ 𝜓) → 𝜒) |
3 | mpidan.2 | . 2 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) | |
4 | 2, 3 | mpdan 686 | 1 ⊢ ((𝜑 ∧ 𝜓) → 𝜃) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 210 df-an 400 |
This theorem is referenced by: funopsn 6887 oeoelem 8207 qsdisj 8357 faclbnd4lem4 13652 sumrb 15062 prodrblem2 15277 asclpropd 20583 tx2cn 22215 ustuqtop5 22851 iocopnst 23545 cmetcaulem 23892 dvaddbr 24541 dvmulbr 24542 tglineeltr 26425 wlkp1lem6 27468 upgr1wlkdlem2 27931 poimirlem17 35074 poimirlem20 35077 rngonegmn1l 35379 qsdisjALTV 36010 icccncfext 42529 isomuspgrlem2c 44348 |
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